Tidal Tales
Join MaST volunteer Karen as she reads stories from the sea in the MaST classroom. Tidal Tales maxes at 25 participants and is first come, first served!
- May 17th at 10:15am
Please contact Aeriel at awauhob@highline.edu for any questions.


Molt Search Survey Training
Join Molt Search on May 27th from 5:30-7pm at the MaST Center Aquarium! Help defend Salish Sea shoreline from one of the world’s worst invasive species, the European Green Crab.
- Free workship teaching you how to:
- Identify the European green crab
- Identify native crab molts
- Conduct a Molt Search Survey
- Report your finding using the MyCoast App
Science on the Sound
Livestreamed via the MaST Center Aquarium YouTube Channel the 1st Saturday of the month at 3:30pm!
Please contact Aeriel at awauhob@highline.edu for any questions.


Shark in the Park
Join Highline College and their MaST Center Aquarium for a splashy summer event featuring:
- Live science demos 🧪
- Hands-on ocean activities 🌊
- Family games & crafts 🎨
- Food trucks & local vendors 🍔
- Shark-themed exhibits
When and Where? 🦈
📍 Redondo Waterfront & Wooten Park, Des Moines, WA
📅 Sunday, July 6th, 2025
🕚 11:00 AM – 4:00 PM
📫 28202 9th Ave S, Des Moines, WA 98198
Special thanks to the City of Des Moines for their support!