Free Aquarium, every Saturday 10AM-2PM

The Aquarium at the MaST Center holds over 3,000 gallons of water in various tanks. It features 2 large touch tanks, an Octopus tank, a schooling fish tank, and more. In all, the aquarium houses over 250 species of marine creatures, all native to the Puget Sound and surrounding waters.

Divers of the MaST Center frequently go on collecting trips, so there is always something new to see. Make sure to ask our volunteers about new arrivals!

MaST Aquarium
28203 Redondo Beach Dr S
Des Moines, WA 98198