Mastic Beach Conservancy is a non-profit, community-led organization striving to improve and protect our waterfront’s environmental health while making it possible for residents and others to experience the area’s incredible natural beauty. Membership in the Conservancy is open to all and demonstrates a welcome level of commitment and support to our organization. It also provides access to our members-only events and discounts at any ticketed events throughout the year.

With your tax-deductible donation, all membership levels include the following:
— Quarterly members’ newsletter
— Advance notice to ticketed events
— Discounted tickets to MBC events
— Invitation to members-only events
— One year membership (from date of transaction)

(All promotional merchandise can be collected at any in-person meeting or event.)


Includes MBC branded totebag.

HELPERS — $100

Includes MBC branded tote bag and t-shirt.


Includes MBC branded tote bag, cap, and sweatshirt.


Full merch set,  including MBC branded tote bag, sweatshirt, t-shirt, and cap.

Community Membership (Free)

We offer free memberships to anyone in our local community. Requirements are as follows:
— You must be a resident of Mastic, Mastic Beach or Shirley
— Volunteer at one clean-up and one other event per year
— Available as a junior membership to high school students seeking community service
— Available to Seniors 62+ who are residents (not required to attend clean-ups)

To apply for a free community membership, please email your full name, address, and phone number to Alternatively, come to a clean-up and ask about our free community memberships!


To partner with us, please email We welcome community partners who share our vision for supporting ecology, arts, education and community development. We also welcome corporate sponsorships and partnerships.