If you enjoy hunting for buried treasure,...

If you enjoy hunting for buried treasure, walking through a kelp forest and dressing as a sea monster, you’re in luck this weekend. The Cabrillo Marine Museum in San Pedro has its Autumn Sea Fair on Saturday, featuring these and other family activities.

What: Autumn Sea Fair.

When: 10 a.m. to 4:30 p.m. Saturday.

Where: Cabrillo Marine Museum, 3720 Stephen White Drive, San Pedro.

Background: Nearly two dozen organizations will display items relating to marine life, ocean conservation, and maritime arts and crafts. There will also be demonstrations of fish printing, scrimshaw, ships in bottles, woodcarving and clay sculpture. At 2:30 p.m., a county fireboat will put on a water demonstration in the harbor just off Cabrillo Beach.

Back by popular demand are such games as “Feed the Great White Shark,” “Stick It to the Anemone,” “Bowling for Burrows” and “Dunk Boothy,” according to Larry Fukuhara, the museum’s program director. Horace Staubley will create his whale-sized soap bubbles too.

The Living Sand Sculpture is expected to be another highlight. The contest will feature people and colorful costumes incorporated into ocean fantasies made of sand. Prizes will be awarded in the sand sculpture and sea monster contests.

Parking: Free parking and shuttle service available from a lot on 22nd and Miner streets. To reach the parking facility, take the Harbor Freeway south to the Harbor Boulevard exit. Continue on Harbor Boulevard to 22nd Street.

Cost: Free.

Information: (310) 548-7563.