A Travel Price Comparison for Families, Couples, and Backpackers Cancun vs. San Diego for Nightlife, Resorts, Scuba Diving & Snorkeling, and Beaches

Should you visit Cancun or San Diego?

Which is cheaper to visit? Which is more expensive for vacation?

Which city is more affordable and which is best for your travel style? If you're trying to figure out where to go next, comparing the travel costs between Cancun and San Diego can help you decide which place is right for you.

Cancun

Cancun is a wild, party-hard, and tropical city. The beauty of this spot is also one of the main reasons why visitors come. Visitors also love the shopping, museums, and nightlife.

San Diego

San Diego is a energetic, relaxed, and outdoorsy coastal city. It's a large city, so you'll find plenty of things to do around town. It's a beautiful place to visit, too. This destination also has one of those special and quaint feelings. Visitors also love the live music, food, and scuba diving and snorkeling.

Cancun and San Diego: Pros and Cons

Pros
  • Popular museums and historical sights
  • Active nightlife
  • Nice resorts
  • Good scuba and snorkeling destination
  • Popular beach
  • Good for hiking
  • Family-friendly
  • Good for couples and romance
  • Good for backpackers and budget travelers
  • Impressive beauty
Pros
  • Popular museums and historical sights
  • Active nightlife
  • Good music scene
  • Popular beach
  • Good for hiking
  • Family-friendly
  • Good for couples and romance
  • Good for backpackers and budget travelers
  • Good for students
Things to Consider
  • Not as many resort options
  • Not as popular for scuba diving and snorkeling


Is there more to do in Cancun or San Diego?

You'll generally find more things to do in San Diego than Cancun. San Diego is bigger than Cancun, and it also has more attractions and activities for travelers. San Diego is better known for its music, hiking, big city activities, and quaint atmosphere, while Cancun is more popular for its nightlife, resorts, scuba diving & snorkeling, and impressive beauty. Cancun is well known for its water sports, white sand beaches, popularity at spring break, and access to Mayan ruins. San Diego is well known for its relaxed coastal atmosphere, its many kid-friendly sights, and its beautiful beaches with critter-filled tidal pools. Also, San Diego is famous for The San Diego Zoo.

How is Cancun different from San Diego?

Which is Better for a Holiday?

Let's take a look at the differences and similarities between San Diego and Cancun. Then, you can decide for yourself which place is better for your next trip.

Are the Museums and Historical Sights Better in Cancun or San Diego?

Cancun
San Diego

Visiting museums and landmarks is a fun activity in both Cancun and San Diego.

Many visitors head to Cancun specifically to visit some of its top-rated museums and other sights. It's possible to do a day trip to visit the impressive Chichén Itzá, but closer by you'll find El Rey Maya Ruins and El Meco Archaeological Site. You can also visit the Maya Museum in town. For something truly unique, you can take a diving or snorkeling trip to the Cancun Underwater Museum.

With a variety of museums, monuments, and historical sights, a trip to San Diego can be an interesting and educational experience. While the city is famous for it's beaches, zoos, and aquariums, don't overlook the museums and other landmarks. Popular options include the Midway Aircraft Carrier Museum, the Old Town State Historic Park, and Point Loma and Cabrillo Monument.


Is the Food Better in Cancun or San Diego? Which Destination has the Best Restaurants?

Cancun
San Diego

There are opportunities to sample the local cuisine at notable restaurants in both Cancun and San Diego.

Cancun has a delicious restaurant scene that relies on local flavors. If you step away from the tourist scene, you'll find some amazing local restaurants that serve authentic and fresh Mexican cuisine. Favorite dishes in the area include tamales, sopa de lima, and tacos al pastor.

There are many up and coming restaurants in the San Diego area. The city has great seafood and a diversity of cuisines. There are many casual dining options that serve informal foods like burgers or salads, but there are also award-winning fine dining restaurants with elegant atmospheres. Popular local dishes include fish tacos and California burritos.

Is Cancun or San Diego Better for Nightlife?

Cancun
San Diego

Cancun is renowned for nightlife and partying. Also, San Diego is not as popular, but is still a nice coastal city for its evening party scene.

Cancun is a destination that you simply have to visit at least once for nightlife. It's long been known as a party destination and there are large world famous clubs as well as smaller bars where you can hang out. The party never stops here, so be prepared for all night dancing and drinking, and it will definitely live up to its reputation.

San Diego has plenty to do after the sun goes down. The heart of the city's nightlife scene is in the Gaslamp District, which is filled with bars, clubs, and music venues. There's a young student population that keeps the nightlife scene casual and fun.

Is Cancun or San Diego Better for Music?

Cancun
San Diego

San Diego is a very popular place for its live music scene. However, Cancun is not a live music destination.

It's worth checking out the music scene in San Diego while you're in town. Popular venues include the House of Blues, The Belly Up, and The Shout House.

Cancun is not a live music destination.


Is Cancun or San Diego Better for Resorts?

Cancun
San Diego

Cancun is renowned for its luxury resorts. Also, San Diego is not as popular, but is still a nice coastal city for its resorts.

Vacationers flock to Cancun for its luxury resorts. You'll find most of the accommodation options in the Hotel Zone, which runs along Boulevard Kukulkan. The stretch can be divided into three areas, which each have a slightly different personality.

San Diego has a few great resort options. Most people prefer to stay in hotels or VRBOs, but several popular resorts include Fairmont Grand Del Mar, Paradise Point, and the famous Hotel del Coronado.

Is Cancun or San Diego Better for Scuba Diving and Snorkeling?

Cancun
San Diego

Cancun is renowned for its diving and snorkeling. Also, San Diego is not as popular, but is still a nice coastal city for snorkeling and scuba diving.

People travel from around the world to go scuba diving and snorkeling in Cancun. Beautiful reefs and world class dives make this a popular destination for those who want to explore the undersea world. You'll find plenty of snorkeling and dive excursions in the area with diverse coral and marine life.

San Diego has a few good snorkeling spots. Popular snorkeling and diving spots include La Jolla Cove, Mission Bay, and Turtle Town. The water's a bit chili, but it's still worth going for a dive or popping on a mask and snorkeling around for a bit.

Is Cancun or San Diego Better for Beaches?

Cancun
San Diego

Cancun and San Diego are first-rate choices for a beach vacation.

With world-famous beaches, Cancun is a very popular vacation destination. There are stunning white sand beaches and turquoise blue water that make this a beautiful beach destination. There are miles of sandy coastline with many of the beaches found in the Hotel Zone.

The beaches in San Diego are among the best in the world. The city has great beaches with tidal pools and interesting sea life at low tide. Adults and kids alike will enjoy hitting the beach when the tides are out and looking for local critters in the tidal pools. Popular beaches in the area include La Jolla Cove Beach, Coronado Beach, and Pacific Beach.


Is Cancun or San Diego Better for Hiking?

Cancun
San Diego

San Diego is a very popular place for its hiking trails. Also, Cancun is not quite as popular, but is fairly good for its hiking experiences.

Many visitors explore the nearby hiking trails while visiting San Diego. The city is filled with parks and has tons of natural beauty. There is plenty of urban hiking in town, or you can visit more natural areas just out of town. Head to Torrey Pines State Park or Los Penasquitos Canyon Trail for some nice hikes.

Cancun has hiking trails worth exploring. There are some beautiful walking paths and hiking trails that are within the area.

Is the Shopping Better in Cancun or San Diego?

Cancun
San Diego

Shoppers can find a variety of notable stores in both Cancun and San Diego.

Shopping is a popular activity when visiting Cancun. While most people visit for the beaches and nightlife, there are shopping malls and markets where you can enjoy some retail therapy.

Many visitors go to San Diego to go shopping. Head to Fashion Valley or Westfield UTC for some fun shopping. There are suburban shopping malls in the area as well as souvenir shops in the more touristy areas.

Is Cancun or San Diego Better for Families?

Cancun
San Diego

You'll find first-rate kid-friendly activities in either Cancun or San Diego.

Cancun is one of the most popular family destinations. Although this part of Mexico has long had a reputation for its party scene, the area also attracts many families, who come for the family-friendly resorts, world class snorkeling, and fascinating jungle tours. You can snorkel at the Garrafon Natural Reef Park or have fun on the water slides at Ventura Park. Xel-Ha Park is also worth a visit.

San Diego is an amazing family-friendly city to visit. The city is filled with kid-friendly activities that everyone can enjoy. There's the world-class zoo, several amusement parks, the beaches, aquariums, and more. The year-round warm weather makes it easy to spend plenty of time outdoors in parks, playgrounds, and beaches where kids can stretch their legs and run around.


Is Cancun or San Diego Better for Couples?

Cancun
San Diego

Both Cancun and San Diego are first-rate destinations to visit as a couple.

For those traveling as a couple, Cancun has plenty to offer. As a world class honeymoon destination, you'll find stunning white sand beaches, amazing snorkeling and diving, and a huge range of entertainment options. You can enjoy the nightlife scene or check out Cirque du Soleil. Sunset boat cruises and romantic horseback rides all make this an amazing honeymoon destination.

San Diego has so much to offer for a romantic couple's vacation. For adventurous couples, there are many outdoor activities that you can enjoy together. The beaches offer a great playground for adults who enjoy the water and warm weather. There are also restaurants and a great nightlife in San Diego.

Is Cancun or San Diego Better for Backpackers and Budget Travelers?

Cancun
San Diego

Cancun is great for backpackers and budget travelers. Also, San Diego is not as popular, but is still a nice coastal city for backpackers.

Many backpackers visit Cancun. Mixed in between the luxury resorts are a few hostels that cater to the backpacker crowd. There are so many activities in the area, from diving to partying, that appeal to the backpacker crowd, that it won't be long before you find your people.

Plenty of budget travelers visit San Diego. Backpackers will enjoy the young vibe of the city. There are a few great hostels near the beach or in town.

Is Cancun or San Diego Better for Students?

Cancun
San Diego

San Diego is renowned for its student-friendly activities. However, Cancun is not popular with students.

Students come from all over the world to visit San Diego. With its young population and many universities, international students will feel right at home in San Diego. There are also many great outdoor activities for the adventurous.

Cancun is not popular with students.


Is Cancun or San Diego Better for Public Transit? Which Is Easier to Get Around Without a Car?

Cancun
San Diego

Cancun is a good destination for times when you don't have a car. However, San Diego is not a good destination for its public transit.

While Cancun offers some public transit options, it might not be your first choice. The buses are an efficient way to get around. They stop along Boulevard Kukulcán and throughout the downtown.

Public transit is generally limited in San Diego. The city has a trolley (light rail system) as well as a bus system. Most people depend on cars to get around, and you'll likely enjoy your trip a bit more if you have your own vehicle.

Is Cancun or San Diego a more walkable city?

Cancun
San Diego

Cancun is great for its high level of walkability. Also, San Diego is not as popular, but is still a nice coastal city for its ease of walking around.

Cancun is a very walkable city. The Hotel Zone is where most tourists spend their time, and this area is very walkable.

San Diego is a somewhat walkable city. The downtown area is walkable, but if you want to travel further, you'll need to find a different form of transportation.

For even more information, also check out Is Cancun Worth Visiting? and Is San Diego Worth Visiting?.

Should I spend more time in San Diego or Cancun?

How long in Cancun or San Diego?

In either Cancun or San Diego, you'll find plenty of activities to fill your time. Most visitors tend to spend more time in Cancun than San Diego because of the overall number of sights and activities. Usually, 4-7 days is a good amount of time for Cancun, and 3-5 days is enough time in San Diego.

Families should spend more time in Cancun than San Diego. Because of the many family-friendly attractions and fun things to do for kids in Cancun, it's a great place to visit with the whole family.

Couples should spend more time in Cancun than San Diego. You'll find plenty of romantic sights and fun activities in Cancun that are great for a weekend getaway or a longer couple's trip.

Backpackers and budget travelers should spend more time in Cancun than San Diego if your budget allows for it. With a larger number of budget-friendly sights, good nightlife, and active things to do, anyone traveling on a budget would have a good time in Cancun.


  • How many days in Cancun or San Diego? Ideal Length of Stay
    Cancun 4-7 
    San Diego 3-5

One day in Cancun or San Diego?

You'll find nightlife and food around the city of Cancun. People often spend their time relaxing at one of the resorts. Since there is so much to do in the area, one day is probably not enough for all of it. It has many unique tourist attractions and fascinating things to do.

Many travelers enjoy the live music and food when visiting the destination of San Diego. Hikers are also drawn to this area. But since there are so many activities, you'll likely want to spend more than one day exploring.


A weekend in Cancun or San Diego?

You'll find food and scuba diving and snorkeling around the tropical destination of Cancun. People usually spend lots of time at the beach. A weekend is usually not enough time for a trip here as there is plenty to do. This city offers a variety of activities to choose from.

San Diego is a great place to explore. Don't miss the beaches, as that's what most people do. With so much to do, a weekend is probably not enough time to see everything. Your budget might influence how long you stay.

Five days in Cancun or San Diego?

You'll find scuba diving and snorkeling and shopping around the wild city of Cancun. The length of your ideal trip is an individual decision. If you have five days, this city makes for a great vacation. It's also a relaxing resort destination. Five days should give you a good understanding of everything this city has to offer.

It's hard to know how much time to spend in San Diego. Don't miss the beaches, as that's what most people do. For many, it makes a great getaway for five days. Make sure you spend some time hiking while you're in the area. With all of its activities, you can easily fill five days here. It has many unique tourist attractions and fascinating things to do.

A week in Cancun or San Diego?

Cancun is a popular choice for travelers. One week here is typical. People enjoy relaxing at one of the resorts. While some people choose to spend more or less time in Cancun, one week is sufficent for most. It will give you the chance to have new experiences.

Travelers enjoy the shopping and museums when visiting the outdoorsy destination of San Diego. This coastal city offers a variety of activities to choose from. Many travelers plan to spend time hiking while in the area. Most people find that one week is more than enough time to see everything.


For some great organized tour ideas, see The Best One-Week (7-Day) Tours from Playa del Carmen, The Best 2-Week Tours from Cancun, The Best Tours for Seniors to United States of America, and The Best Contiki Tours to United States of America.


Which place is cheaper, San Diego or Cancun?

These are the overall average travel costs for the two destinations.

The average daily cost (per person) in Cancun is $145, while the average daily cost in San Diego is $202. These costs include accommodation (assuming double occupancy, so the traveler is sharing the room), food, transportation, and entertainment. While every person is different, these costs are an average of past travelers in each destination. What follows is a categorical breakdown of travel costs for Cancun and San Diego in more detail.



Accommodation
  • Accommodation Hotel or hostel for one person
    Cancun $96
    San Diego $115
  • Accommodation Typical double-occupancy room
    Cancun $192
    San Diego $230
Compare Hotels in Cancun and San Diego

Looking for a hotel in Cancun or San Diego? Prices vary by location, date, season, and the level of luxury. See below for options and compare which is best for your budget and travel style.

Hotels in Cancun


Hotels in San Diego


Kayak helps you find the best prices for hotels, flights, and rental cars for destinations around the world. Compare prices for multiple destinations when planning your next trip.


Our Analysis
We've analyzed the average and typical hotel prices based on guest reviews, star ratings, and hotel amenities here: Cancun Hotel Prices and San Diego Hotel Prices.

Local Transportation
  • Local Transportation Taxis, local buses, subway, etc.
    Cancun $17
    San Diego $24
Typical Local Transportation Prices in Cancun

Below are a few samples from actual travelers for transportation costs in Cancun:


  • Taxi Around Town
    $1.65
  • Airport Shuttle (for 2)
    $14
  • Ferry to Isla de Mujeres (for 2)
    $16
  • Local Bus (for 2)
    $2.00

Hired Cars and Shuttles in Cancun

Also for Cancun, here are a few examples of actual transportation services:

  • Cancun Airport to Tulum Roundtrip Private Transfer: $290
  • Limo Transfer Airport Cancun - Puerto Morelos Hotel Zone: $279
  • Round trip private transfer VAN-Airport-Hotel-Airport-Playa del Carmen: $260
  • Round trip private transfer VAN-Airport-Hotel-Airport-Puerto Morelos: $260
  • Private Transfer roundtrip (Cancun Airport-Akumal): $259
  • Roundtrip Transfer Service to Costa Mujeres and Playa Mujeres: $248
  • Round trip Private airport transfer to Playa del Carmen Flat Rate per vehicle: $244
  • Full-Day Tour to Xcaret Plus with Transfer from Playa del Carmen and Lunch: $238
  • Airport Transfers to Costa Mujeres - Private van (ROUND TRIP) FLAT RATE: $235
  • Private Transfer from Cancun Airport to Tulum: $220
  • Private round airport transfer from Cancun - Puerto Aventuras - airport.: $210
  • Round Trip Transfer from Cancun Airport to Playa del Carmen : $200

Hired Cars and Shuttles in San Diego

Also for San Diego, here are a few examples of actual transportation services:

  • Try find your better than us! Airport transfer service in San Diego HTL-APT(SAN): $47
  • Transfer in private minivan from San Diego Downtown to San Diego Airport (SAN): $68
  • Transfer in private minivan from San Diego Airport (SAN) to San Diego Downtown: $68
  • Tijuana to Tijuana International Airport (TIJ) - Round-Trip Private Transfer: $110
  • Tijuana to Tijuana International Airport (TIJ) – Departure Private Transfer: $55
  • Tijuana Intl Airport (TIJ) to Playas de Rosarito -Round-Trip Private Transfer: $241
  • Tijuana Intl Airport (TIJ) to Playas de Rosarito - Arrival Private Transfer: $121
  • Tijuana International Airport (TIJ) to Tijuana hotels - Arrival Private Transfer: $55
  • San Diego International Airport (SAN) Private Arrival Transfer: $40
  • San Diego Airport: One-Way Private Transfer to San Diego: $70
  • San Diego Airport (SAN): Private Transfer to San Diego: $190
  • San Diego Airport (SAN) to San Marcos, CA - Arrival Private Transfer: $65

Is it cheaper to fly into Cancun or San Diego?

Prices for flights to both San Diego and Cancun change regularly based on dates and travel demand. We suggest you find the best prices for your next trip on Kayak, because you can compare the cost of flights across multiple airlines for your prefered dates.





Food
  • Food Meals for one day
    Cancun $28
    San Diego $45
Typical Food Prices in Cancun

For Cancun, here are some examples of average food and meal prices for travelers:


  • Lunch for Two
    $21

Food Tours and Cooking Classes in Cancun

For Cancun, here are some samples of tours and activities related to meals and dining experiences:

  • Captain Hook: Pirate Show and Dinner Cruise in Cancun: $46
  • Mayan Chichen Itza And Pirate Dinner Two Day Experience: $57
  • The Ultimate Cancun Taco & Street Mexican Food Tour: $59
  • Dinner Show with Pirates! (2x1 Price): $62
  • (2x1 price) Pirate Night! Dinner, Fun and Show: $63
  • (2x1 price) Dinner Show and Pirates Experience : $63
  • Pirate Show and Dinner (2x1 price)! Best Promo : $64
  • Cancun Street Food Tour with Food Stalls, Local Market and Murals: $64
  • Dinner Show on a Pirate Ship from Cancun with Open Bar: $65
  • Private Ultimate Cancun Taco and Street Mexican Food Tour: $69
  • Cancun Authentic Downtown Food Tour: Tacos and Local Flavors: $78
  • Cancun Hands-On Mexican Cooking Class : $79

Typical Food Prices in San Diego

Here are some examples of typical meal expenses from previous travelers to San Diego:


  • Mexican Lunch for Two
    $27
  • Breakfast at Starbucks
    $20

Food Tours and Cooking Classes in San Diego

For San Diego, here are some samples of tours and activities related to meals and dining experiences:

  • Pizza and Gelato Tour in San Diego: $80
  • Old Town Tequila and Tacos Walking Food Tour: $81
  • Little Italy Food and Drink Walking Tour: Pizza, Pasta & Piazzas: $85
  • Gaslamp Quarter Food Tour: $89
  • Gaslamp Quarter Downtown San Diego Food Tour: $89
  • San Diego, Seaport Village: Waterfront Walking Food Tour: $99
  • Seaport Village Food Tour in San Diego : $99
  • Guided Secret Food Tour: $103
  • Scenic Buffet Dinner Cruise: $108
  • San Diego Dinner Cruise: $116
  • Gourmet Dinner Cruise: $118
  • Thanksgiving Day Buffet Brunch or Dinner Cruise: $121

Entertainment
  • Entertainment Entrance tickets, shows, etc.
    Cancun $35
    San Diego $48
Typical Entertainment Prices in Cancun

Below are a few sample prices from actual travelers for Cancun's activities, tours, and tickets:


  • Seasick Pills
    $0.59
  • Whale Shark Tour (for 2)
    $100

Tours and Activities in Cancun

For Cancun, here are a few prices for actual activities, tours, and tickets provided by various companies:

  • 2 Hours Speed Boat Tour and Snorkeling in Nichupte Lagoon: $39
  • ATV Jungle Adventure with Ziplines, Cenote Transportation Included: $8.00
  • Cancun Private Street Art Tour: $65
  • Catamaran Cruise in Riviera Maya With Snorkeling & Beach Club: $85
  • Full Day All Inclusive Catamaran Tour to Isla Mujeres : $99
  • Holbox Island Magic Tour from Cancun : $144
  • LDS Tour to Chichen Itza + Cenote : $165
  • Party Adventure at Isla Mujeres from Cancun & Playa del Carmen: $93
  • Private Tour to Tulum Ruins and Cenotes : $257
  • Reef and Sunken Ship Snorkeling Experience in Cancun: $85
  • Riviera Maya Luxury Snorkeling Cruise with Lunch and Drinks: $139
  • (4x1) Full day tour to Tulum, Coba, Cenote and Playa del Carmen : $48

Typical Entertainment Prices in San Diego

For San Diego, here are some examples of average entertainment and activity prices from previous travelers:


  • San Diego Zoo
    $15
  • Sea World Parking
    $12

Tours and Activities in San Diego

Also, here are some specific examples of entertainment, tickets, and activities for San Diego.

  • Maritime Museum of San Diego Admission Ticket: $24
  • 1 Hour GPS Guided Scooter Tour: Harbor/Gaslamp Quarter: $92
  • 1-Hour Private Scenic Tandem Sidecar Tour in San Diego: $99
  • 1-Hour Voodoo Escape Room Experience in San Diego: $35
  • 1.5 Hour Walking Tour from La Jolla in San Diego: $59
  • 1Hr GPS Self Guided Scooter Tour: Harbor/Gaslamp Quarter: $63
  • 2-Hour Guided Fishing Tour: $75
  • 4 Hour Self-Guided Electric Bike Tour or Rental: $87
  • A Seaside Stroll: La Jolla's Hidden Treasures Self-Guided Tour: $9.99
  • All Day San Diego Scenic Tour: $125
  • Apple Pies & Desert Skies: A Self-Guided Driving Tour: $15
  • Balboa Park Puzzling Adventure: $35

Alcohol
  • Alcohol Drinks for one day
    Cancun $13
    San Diego $21

Sample the Local Flavors in Cancun

Also in Cancun, these are the prices for nightlife and alcohol related activities from various tour providers:

  • Brewery Tour / Craft Beer Tasting Cancun Mexico: $129
  • Small Group EkBalam Pink Lakes Cenote and Tequila Distillery Tour: $287

Sample the Local Flavors in San Diego

Also in San Diego, these are the prices for nightlife and alcohol related activities from various tour providers:

  • San Diego Bar Hunt: Slammin' San Diego Bar Crawl: $13
  • History Tour Pub Crawl of Famous Gaslamp Quarter: $30
  • Brewery Tour with Tastings and Food Pairings: $85
  • Vino! Vino! Little Italy Wine Tasting Walking Tour: $125
  • Little Italy Wine Tasting Walking Tour: $125
  • Private Wine Tasting Tour in Valle de Guadalupe: $134
  • Baja Tour Guide wine tour: $169
  • Sidecar Wine Tasting Tour: $199
  • Brewery and Tap Room Sidecar Tour: $199
  • California Sunset Brewery Tour: $199
  • Brewery and Beer Tasting Tour in San Diego: $215
  • 2-Day Wine Tasting Trip in Valle de Guadalupe: $650


When we compare the travel costs of actual travelers between Cancun and San Diego, we can see that San Diego is more expensive. And not only is Cancun much less expensive, but it is actually a significantly cheaper destination. So, traveling to Cancun would let you spend less money overall. Or, you could decide to spend more money in Cancun and be able to afford a more luxurious travel style by staying in nicer hotels, eating at more expensive restaurants, taking tours, and experiencing more activities. The same level of travel in San Diego would naturally cost you much more money, so you would probably want to keep your budget a little tighter in San Diego than you might in Cancun.

If you're trying to decide if either of these two destinations are within your price range, also see Is Cancun Expensive? and Is San Diego Expensive?.


Which is Bigger, Cancun or San Diego?

San Diego has a larger population, and is about 2 times larger than the population of Cancun. When comparing the sizes of Cancun and San Diego, keep in mind that a larger population does not always imply the destination has more attractions or better activities. So, always research the type of place that you want to visit along with the activities and attractions that interest you.