Full service dive store in Plymouth. Course descriptions and schedules, equipment, service, and rentals.

Dive retail establishment with two locations: Brookline and Framingham. Specializing in dive travel, instruction, equipment sales and service, and trimix fills. An online newsletter is available.

Dive charter boat operating on Cape Ann in Gloucester and Rockport. Instruction, photographs, and directions.

Retail dive establishment in Leicester. Includes courses, schedules, rental, service, and equipment.

A diving retail establishment in Natick. Offering PADI diver education from beginner through instructor.

Group of diving enthusiasts based in northeastern Massachusetts and southern New Hampshire. Schedule for club meetings, newsletters, and activities.

Dive club of recreational and technical divers based in the Natick-Framingham area. Information on boat diving, shore diving, meetings, events, club dives, and air stations. Club holds an annual "Wrecks" show.

Organization of divers affiliated with Massachusetts Institute of Technology. Local dive sites, gear guide, underwater hockey, and diving at MIT.

Dive club affiliated with the New England Aquarium. Includes newsletter, calendar of events and club dives, environmental news, and member pages.

Full service dive store in Marshfield. Course information, quizzes, stories, and local dive conditions.