Cabrillo Marine Aquarium in San Pedro holds Sea Scare! Monsters of Myth, a one-night Halloween event, on Saturday, October 17, 2026, starting at 7 p.m. The aquarium describes it as a family-friendly event designed for guests of all ages.
For families
The evening includes trick-or-treating, games and activities, arts and crafts, a live DJ and a family-friendly haunted house. A costume contest starts at 8 p.m. Food trucks open at 5 p.m., two hours before the doors.
Tickets
Pre-sale tickets for non-members are $18 for adults and $12 for children. Aquarium members get early entry at 6 p.m., and a family membership includes four free tickets to the event.
The aquarium says the event will sell out, so buying tickets online ahead of time is the safer plan. Final entry is at 9 p.m.
Location
Cabrillo Marine Aquarium is at 3720 Stephen M White Drive in San Pedro. Check the aquarium’s event page for current ticket availability before heading out.
