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Plus, New Membership Benefits

You can become a member, renew your membership or donate online using our secure payment system! Click on one of the "Pay Now" buttons to become a member. Use the drop-down menu to specify if you would like to purchase membership in the Great Bay Stewards only, or if you would like to purchase a joint membership with both the Great Bay Stewards and the Green Alliance, at a special discounted rate of $10 off the regular membership price for each organization.

The discounted rate for joint Great Bay Stewards and Green Alliance membership is only available to new members for their first year. Your Green Alliance membership gives you a chance to see which local businesses are taking steps toward sustainability, and grants you exclusive discounts to nearly 100 local green businesses throughout the region, saving you hundreds or even thousands of dollars! Join now and let your green voice be heard! 

If you would prefer to make a donation, please click on the "Donate" button.
Already a member of the Great Bay Stewards? Visit our Membership Renewal page to renew your membership! 

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.
Thank you for supporting the Great Bay Stewards!


Membership Levels

Membership Options


Membership Options


Membership Options


Membership Options

Personalized Donations
Would you care to make a donation to the Great Bay Stewards? If you would like, 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 accept memberships via mail. Click here to download a Membership Form as a PDF. (Adobe Reader is a free program that is required to view PDFs. Click here to download the software.)

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

The Great Bay Stewards, 2015

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News and Events

2015 Great Bay 5K

Art of Great Bay 2016

Soak Up the Rain Great Bay

2013-2014 Great Bay Stewards' accomplishments

Great Bay Matters - Online

New Membership Benefits

NOAA: State of the Coast

NHPR Giving Matters: The Discovery Center