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Welcome to Highline College Marine Science and Technology Center

Visit the MaST

The MaST Center is open for public viewing on Saturdays from 10 a.m. – 2 p.m. and during the summer (June-August) on Thursdays 4 – 7 p.m.

Discovery Day
Volunteer Opportunities
School Programs

Marine Science and Technology Center

The MaST Center fosters a culture of marine stewardship by engaging our community through interactive learning, personal relations and exploration.

The MaST Center is the marine biology and aquarium facility of Highline College. Dedicated to expanding knowledge about Puget Sound, the MaST Center serves as both formal teaching institute and public learning center. We are located 4 miles south of campus at Redondo Beach with easy access to a variety of nearby habitats.

Our 2,500 square-foot facility offers public space, classroom, laboratories, offices, research areas with state-of-the-art equipment and an aquarium. The Aquarium holds over 15 tanks totaling approximately 3,000 gallons of flow-through seawater, and displays over 250 native Puget Sound marine species.

Woodmont Library Sea Critter Story TimesSea Critter Story Time

Roll up your sleeves and get up close and personal with our underwater neighbors at the Woodmont Library! Listen to some stories, then join the MaST Center of Highline College to learn about local Puget Sound sea stars, snails, hermit crabs and more!

Ages 3 and older with caregiver.

Woodmont Library
26809 Pacific Highway South
Des Moines, WA 98198

10:30 a.m. – 11:30 a.m.

Friday, May 25
Friday, June 15
Friday, July 20
Friday, August 10

Contact Information

Phone: (206) 592-4000

Email: Send a Message

Locations and Directions

Marine Science and Technology Center
28203 Redondo Beach Dr. S.
Des Moines, WA 98198

Download Campus Map

Mailing Address:
Marine Science and Technology Center
Highline College
P.O. Box 98000
Des Moines, WA 98198-9800

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