Aquarium of the Pacific           (562) 590-3100
More than 11,000 ocean animals are featured in three main galleries with 19 major habitats and 32 focus exhibits, including over 500 different species. Educational programs also available as well as annual events and camps. Admission: adults, $29.95; kids (3-11), $17.95; seniors (62+), $26.95. 100 Aquarium Way, Long Beach.
Birch Aquarium             (858) 534-3474
Daily animal feedings as well as educational, hands-on visitor activities. Adults, $18.50; kids (3-17), $14. UC San Diego, 2300 Expedition Way, La Jolla.
Cabrillo Marine Aquarium              (310) 548-7562
Thirty-five saltwater tanks and touch tanks, plus discovery labs and an Aquatic Nursery with baby sea animals. Ongoing science programs include tours, workshops and classes, camps, youth docents, family programs, annual events, tide-pool walks and grunion runs. Suggested admission donation: $1-5. 3720 Stephen White Drive, San Pedro.
Legoland’s Sea Life Aquarium            (760) 918-5346
Features play zones, touch pools, fun facts and quiz trails, as well as jellyfish, sea horses, stingrays and sharks. New this year: Sea at Night, an exhibit where you can walk a simulated coastline under the stars, and splash in waves projected on the ground, giving the effect of a crashing tide. $18-22. One Legoland Drive, Carlsbad.
Ocean Institute          (949) 496-2274
Interactive exhibits, marine life, touch tanks and ecology cruises, plus presentations and Sunday tours aboard the tallship Pilgrim. Summer camps are also offered, see Camps. 24200 Dana Point Harbor Drive, Dana Point.
Roundhouse Aquarium          (310) 379-8117
Classes, camps and parties also offered. Donations: $2 per person; $5 per family. Manhattan Beach Pier.
Santa Monica Pier Aquarium           (310) 393-6149
Year-round field-trip programs, kids’ classes, party packages and special-themed event days. Adults, $5; and kids (12 and under), free. 1600 Ocean Front Walk, Santa Monica.
The SEA Lab             (310) 318-7438
Free and low-cost programs, touch-tank tours, public fish feedings, field trips and parties. Admission: $5. 1021 N. Harbor Drive, Redondo Beach.