4. Chicken Ranch Beach, Marin County 5. Linda Mar Beach at San Pedro Creek, San Mateo County 6. Erckenbrack Park Beach, San Mateo County 7. Tijuana Slough, north of Tijuana River, San Diego County 8.

Popular beach in San Diego makes dirty list California has some of the busiest beaches in the country, logging more than 150 million day visits by tourists and locals.

Surfing classes are held at La Jolla, Mission Beach, Ocean Beach and Pacific Beach. 4850 Cass St., San Diego. 858-205-7683, sandiegosurfingschool.com Whale watching ...