as a famous corporate ad campaign puts it... "Membership has its Benefits"

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Becoming a member of the Friends provides the group with the bulk of our budget allowing us to pay for our programming on and off the islands, subsidizing our boat trips. Our Board of Directors is 100% volunteer.
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Membership includes discounts on our books, clothing and discounts with our partners Boston Harbor City Cruises (for tours of Boston Harbor, Whale Watch Tours, and Provincetown High-speed Ferry Service), and discounts on Massachusetts Bay Lines Cruises (for tours of Boston Harbor, pirate cruises, music cruises and more!), Classic Harbor Lines Tours and Cruises as well as Black Rock Sailing School, Boat US.