Walk off holiday goodies at the Cabrillo Marine Aquarium's tide pool walk. Visitors can see a slide show in the aquarium auditorium, then search for sea urchins, hermit crabs and anemones at the Point Fermin Marine Life Refuge.
* Tide pool walk, Cabrillo Marine Aquarium, 3720 Stephen White Drive, San Pedro. 1:30-3 p.m. $1; beach parking, $5.50. Groups of 10 or more, call for reservations. (310) 548-7562.