Membership in the Great Bay Stewards makes you part of the team that works to preserve, protect, and provide education about the Great Bay. Your membership fees help fund a wide range of activities, and help residents and visitors learn more about this unique environment.

Membership has its benefits! Great Bay Stewards members receive the following benefits:

– A 10% discount at the Great Bay Discovery Center.
– Monthly email newsletter about events and programs that support the Bay.
– Advance notice of special events.
– Discount and first priority to summer and school vacation kids camps.
Great Bay Matters sent to your home three times per year.
– Members-only summer kayak trip on the Great Bay.

You can become a member, renew your membership or donate online using our secure payment system. Click on the drop down menu to choose your membership level. If you would prefer to make a donation, please click on the “Donate” button toward the bottom of this page.

Please keep in mind when deciding on your membership level or the amount of your donation that the Great Bay Stewards are absorbing the credit card processing costs of your transaction, so you won’t have to pay that fee. 

Great Bay Stewards Membership Perks

Membership has its benefits! Great Bay Stewards’ members, at any level, receive discounts at the Great Bay Discovery Center, and at Stewards’ events. Members receive monthly emails regarding upcoming regular and special events at the Discovery Center.

Benefits at the Discovery Center

Great Bay Discovery Store: 10% discount
Members-Only Kayak Trips: FREE
GBDS Summer Programs for Kids: Discount/First Priority
Great Bay Stewards’ Summer Programs: FREE
Great Bay Matters mailed to your home 3 times per year
The monthly Great Bay Stewards News & Notes emailed to you each month.

If you are interested in working with the Great Bay Stewards, send us an inquiry and we will get back to you as soon as we can!

Membership Levels

Choose an Option:



Personalized Donations


Would you care to make a donation to the Great Bay Stewards? If you prefer, you can make your donation in honor or memory of a loved one with a connection to Great Bay. Click on the DONATE button below and you can personalize your giving.


Membership by Mail

For those who prefer to pay by check, we also accept memberships via mail. 

The Great Bay Stewards
Great Bay Discovery Center
89 Depot Road, Greenland, NH 03840
603-778-0015, ex. 350