International Coastal Cleanup Day

International Coastal Cleanup Day on September 20 was started as a way to raise awareness about the growing pollution on various beaches of the world. Join Seacoast Science Center and Blue Ocean Society for Marine Conservation to recognize this day, with a New Hampshire Coastal Cleanup in Odiorne Point State Park.

Register for cleanup on the Blue Ocean Society registration web page: https://www.blueoceansociety.org/cleanup/

Fill in information and scroll to and select: New Hampshire Coastal Cleanup, Co-hosted by Seacoast Science Center Saturday, September 20th.

24th Annual BioBlitz!

Sunday, September 20, 2026 • 7 AM-4PM

Join us at Odiorne Point State Park to discover the incredible diversity of species found along our Seacoast. All ages and experience levels are welcome!

CLOSING EARLY: THURSDAY, May 22, 2025. Due to anticipated high winds, we will be closing at 3pm today, to prioritize the safety of visitors, volunteers & staff. Stay safe.

Update: Tuesday, July 7, 2026

Planning to visit today?

It’s a good idea to reserve online, especially with rain forecasted, as rainy summer days often find us at capacity, particularly in the morning, with walk-ins depending on availability. Book tickets here. 

Seacoast Science Center
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