The Boston Sea Rovers are hosting an event on March 15-16 at the DoubleTree by Hilton in Boston, focusing on educating the public about the underwater world. This annual symposium has been running since 1954 and includes presentations, a film festival, workshops, and hands-on activities for both divers and non-divers. The event features over 40 seminars, a free Try Scuba program, and various raffles and prizes. It aims to entertain and inform attendees while promoting awareness of marine environments.