Having fun during the summer in San Diego doesn’t require a lot of money. In fact, many things to see and enjoy in San Diego are absolutely free. With 70 miles of beautiful beaches, near-perfect weather and a variety of summer street fairs, concerts and arts and cultural events, San Diego offers a fun and inexpensive summer getaway.

1.Put on your bathing suit, grab your towel and head to one of San Diego’s 33 beaches, all open to the public, and perfect for body surfing, boogie boarding, building sandcastles, collecting seashells and basking in the sun.
在圣地亚哥，海滩是一种生活方式，是快乐和骄傲的象征，海滩也不断得影响着当地居民的生活方式。不论你是在这里长期居住，或只是短期旅行，享受海滩都是必做的事情之一。

2.Bring a picnic and listen to Coronado’s Summer Concert Series in Spreckels Park on Sunday evenings throughout the summer. On the first and third Sundays of the month, come early and browse the work of San Diego artists during the Coronado Art Association’s bi-monthly Art-In-The-Park event.

3.Soak up the international flavor at the House of Pacific Relations in Balboa Park during the free International Cottages’ Lawn Programs. A summer-long event, a different country is celebrated each Sunday through ethnic foods, songs and dance.

4.Head to the historic Mission San Luis Rey in Oceanside on June 9 – 10 for the Annual Inter-Tribal Pow Wow. Hosted by the San Luis Rey Luiseno Mission Indians, this event draws tribal members from all over the United States for contest dancing, Native American arts and crafts, games and food.

5.Catch a magnificent Pacific sunset and watch sea lions play along the shoreline at La Jolla Cove, one of the most spectacular natural settings in the world.

6.Visit Seaport Village on weekends for free entertainment and hours of leisurely strolling and window shopping. Guests can also walk along the bay-front or sit in the grass and gaze at passing yachts and ships along picturesque San Diego Bay.

7.Listen to live bands lined along the 26.2-mile route of the Rock ‘n’ Roll Marathon on June 3. The course begins in Balboa Park, runs through various popular locations around the city and ends at SeaWorld San Diego. Visitors can also stop by the marathon’s free Health and Fitness Expo on June 1−2 at the San Diego Convention Center.

8.Stroll through the 16½-block historic Gaslamp Quarter in downtown San Diego. Once the stomping grounds of the legendary Wyatt Earp, the Gaslamp Quarter is now home to unique stores and numerous restaurants, nightclubs and bars, many of which are set in turn-of-the-century Victorian architecture.

9.Check out the La Mesa Car Show along La Mesa Boulevard in the village of La Mesa every Thursday night during June through August. In addition to vintage cars on display, guests can enjoy shopping, dining and live music.

10.Take free fly-fishing lessons from the San Diego Fly Fishers club on Sunday mornings during 9 a.m. – 12 p.m. at Lake Murray, located in La Mesa. If you don’t have your own gear, arrive early for a free equipment loan.

Source:http://www.sandiego.org/press/press-releases/2012/50-fun-free-summer-activities-san-diego.aspx