Marine Mammal Stewards Program - with Highline MaST Aquarium

August 10, 2025 12:00 PM –4:00 PM

Marine Mammal Stewards program (in partnership with SR3) this summer from June 13th to September. MAST volunteers will be at Redondo Beach on Saturdays and Sundays.

Explore the wonders of marine mammals in the wild and participate in engaging games designed to inspire better ocean stewardship. Whether you stop by for a quick update on the day’s sightings or stay longer to learn how to use binoculars, there’s something for everyone. Don’t miss this opportunity to chat about marine mammals, connect with nature, and make a difference for our oceans.



Mapped location of Marine Mammal Stewards Program - with Highline MaST Aquarium
Redondo Beach 28203 Redondo Beach Dr S Des Moines, Washington
Website

Upcoming Dates

  • Sunday, August 10
  • Sunday, August 17
  • Sunday, August 24
  • Sunday, August 31
  • Sunday, September 7
  • Sunday, September 14
  • Sunday, September 21

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