Helgren's Sportfishing 315 Harbor Drive South, Oceanside, CA 92054, 760-722-2133, This company offers a variety of fishing and charter excursions, including deep sea fishing trips and whale watching. more... 

Oceanside City Beach Located at Oceanside Boulevard & Pacific Street, 760-966-4530, Not only does this beach have a wide stretch of sand, it also has the longest pier on the West Coast. Features include playground equipment, restrooms, showers, and over 70 fire rings.