subject: Benefits Barnstable Education Foundation [print this page] Aquatic Explorations, 1:30-3:30 p.mAquatic Explorations, 1:30-3:30 p.m. Thursday, Ocean Street Dock, Hyannis, on Hy-Line's Sea Swan. Led by Mass Audubon naturalists. Includes Lewis Bay, Hyannis Harbor and near shore Nantucket Sound. $40, $30 children. Reservations: 508-790-0696 (ask for Mass Audubon's Aquatic Explorations Cruises).