These aren’t hidden gems, but other 19 obvious things …
The obvious ones are the Beaches, Mission Bay, San Diego Bay, Sailing, taking 3/4 day fishing trips and catching Yellowtail, hiking along the coast (sunset cliffs, Torrey Pines reserve), Golf courses (e.g. Torrey Pines), Whale watching from Point Loma Lighthouse, taking kids to Sea World, Zoo and Wild Animal Park (off-season of course), taking trolleys to baseball and football games, Karl Strauss, taking the ferry to Coronado and renting bikes, good Mexican food, Del Mar Fair, No bugs.
