We track 45 dive operators in Long Island Sound. 19 teach certification courses (20 PADI, 3 SDI/TDI). 4 run snorkelling trips. 1 offer accommodation alongside diving. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 45. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | New England Dive | 5.0(316) | none | $159 | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 45 dive operators in Long Island Sound. 19 of them run certification courses.
PADI is the most common agency (20 centres), followed by SDI/TDI (3). SSI, NAUI also appear.
1 operator in Long Island Sound offers accommodation alongside diving.
4 of the 45 operators we track run snorkelling tours.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
New England Dive is a retail store and training center located in Wallingford, Connecticut. They offer scuba certification courses, equipment sales, and organized group dive travel.
Giant Stride Dive Shop is a Rhode Island based retailer and training center that offers scuba certifications from Open Water through instructor levels. The shop provides air fills, custom gas blends, equipment sales, and repair services for drysuits. They also organize local guided shore dives and international dive travel trips.
Hampton Dive Center is a family owned and operated business located in Riverhead, New York. They offer a variety of scuba training courses, equipment rentals, and organized dive trips to local and international destinations.

SCUBA Network (Long Island) is a PADI 5 Star Instructor Development Center located in Carle Place, NY. They have been serving the Long Island and New York City areas for over 35 years, offering a comprehensive range of PADI courses, equipment sales and service, and dive travel opportunities.
Good Life Divers is a dive school located in Lindenhurst, New York. They have a perfect 5-star rating from 23 reviews and are operational.
Captain Mike's Diving Services Inc. is a PADI 5-Star Training Facility located in City Island, Bronx, offering a comprehensive range of scuba diving services. They provide instruction from beginner to professional levels, including specialized courses like ice diving and technical diving. The company also offers dive charters and trips to various domestic and international destinations.
Pan Aqua Diving is a full service dive facility based in New York City that has been operating since 1983. They provide scuba diving and snorkeling equipment, equipment servicing, and training courses ranging from novice to instructor levels.
Orbit Marine is a dive shop in Bridgeport, Connecticut, that provides scuba classes, equipment sales, and equipment maintenance. The operator runs local dive trips in the Long Island Sound and organizes international dive travel. They also maintain a retail department for fishing bait and tackle.
ASTscuba, also known as Action Sports Travel (AST) Scuba, is a dive shop located in Pittsfield, Massachusetts. They have been serving the Berkshire region for over 30 years, training multiple generations of divers. The shop offers scuba and snorkeling gear, refresher courses, and certifications. They are known for their friendly, knowledgeable staff and personalized service.
| 2 | Giant Stride Dive Shop | 4.7(75) | none | none | PADI · NAUI · SDI/TDI | Visit |
| 3 | Hampton Dive Center | 4.8(30) | none | none | PADI | Visit |
| 4 | 4.5(49) | none | none | PADI | Visit |
| 5 | Good Life Divers | 5.0(23) | none | none | PADI · SSI | Visit |
| 6 | Captain Mike's Diving Services | 4.8(33) | none | none | PADI | Visit |
| 7 | Pan Aqua Diving | 4.9(108) | none | none | PADI | Visit |
| 8 | Orbit Marine Sport Center | 4.3(43) | none | none | none | Visit |