Cape Ann Light Station Thacher Island A National Historic Landmark Mission Statement The primary mission of the Thacher Island Association is to assist in the historic preservation and operation of Thacher and Straitsmouth Islands, two National Historic Landmarks in Rockport, MA. As a 501(c)(3) nonprofit, TIA supports the Thacher & Straitsmouth Islands Town Committee through a variety of fundraising activities including: grant writing, sale of related merchandise, sponsorship of an annual lighthouse cruise, art and photography days, auctions, and coordination of membership fees and donations. Goals include: Stimulate interest and facilitate visits to the islands. Raise funds through Association memberships and other sources. Improve and maintain the historic structures. Improve and maintain the scenic trails, picnic and camping areas. Preserve the islands' unique natural and historic attributes. The ultimate role of TIA is to encourage visitors to enjoy the cultural, historical and scenic benefits that the islands have to offer. Come Visit Us Reserve your seats on one of the Thacher Island boat launches. Learn More Support Us And Donate Help us maintain and restore the historical heritage of both islands. Learn More Become A Member Receive free rides, newsletters, stickers and member card. Learn More Featured Products Click on Product to Order 2020 Thacher & Straitsmouth Islands Calendar NEW! Straitsmouth Island Commemorative Coin Thacher Island Pewter Ornament Straitsmouth Island Pewter Ornament 2020 Lighthouse Cruise Ticket Long Sleeve Thacher Panorama T-Shirt (midnight blue) Enameled Steel Campfire Cup 16 oz.