MMA Aquarium General Admission Grandparents' Day!

Located on the shoreline of Nantucket Harbor, the Aquarium displays local Nantucket marine species and is an excellent place to learn about the amazing sea life around the island.

Join us at the MMA Aquarium for a generation appreciation. All grandparents accompanied by a grandchild of any generation will receive free general aquarium admission. Enjoy a morning of celebrating grandparents at the MMA aquarium with free admission, lemonade, and doughnut refreshments! Pre-registration is required - sign up for your timed admission spot today to guarantee admission for you and your grandchild!