Goblin Jamboree at the Bay Area Discovery Museum

The Bay Area Discovery Museum's annual Goblin Jamboree fundraiser, the longest running Halloween festival in Marin, returns for 2025! This year's Goblin Jamboree will take place over two weekends, Saturday and Sunday, October 18 and 19 and Friday–Sunday, October 24–26.

Build a Boo at the Monster Mansion, dive into Deep-Sea Slime, create secret messages with Ghost Writing, stir up a Magic Brew in the Mud Kitchen, meet the Beetlelady and her many-legged friends, and more. Tickets are on sale now!

Proceeds from Goblin Jamboree support the Bay Area Discovery Museum’s mission to transform research into early learning experiences that inspire creative problem solving.