This report discusses the collision that occurred on January 12, 2002, between the USCG patrol boat CG242513, which was on a routine patrol of Biscayne Bay, and the small passenger vessel Bayside Blaster, which was on a sightseeing tour of the area. From its investigation of the accident, the NTSB identified safety issues regarding the adequacy of the following: operation of the Coast Guard patrol boat; operation of the Bayside Blaster; Coast Guard oversight of routine patrols; Boatrides International, Inc. (owner of the Bayside Blaster) management oversight; kill switch operation on Coast Guard nonstandard boats; lifejacket stowage on the Bayside Blaster; and Coast Guard safety oversight of small passenger vessels in Miami. The Safety Board's recommendations to the U.S Coast Guard, to Boatrides International Inc., and to the Passenger Vessel Association are included.