We track 37 dive operators in Long Island Sound. 14 teach certification courses (14 PADI, 2 SSI). 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 37. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | New England Dive | 5.0(333) | none | $159 | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 37 dive operators in Long Island Sound. 14 of them run certification courses.
PADI is the most common agency (14 centres), followed by SSI (2). SDI/TDI, NAUI also appear.
1 operator in Long Island Sound offers accommodation alongside diving.
4 of the 37 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.
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.
Port Diver is a scuba center located in Port Jefferson Station that has served the Long Island diving community for over 50 years. The shop provides scuba instruction from open water through divemaster levels and offers equipment sales and repairs. They also cater to snorkelers and provide equipment for spearfishing and freediving.
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.
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.

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.
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.
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.
School of Fish Swim and SCUBA is an aquatic facility that provides swimming lessons, scuba diving courses, and freediving classes. The school offers instruction for all ages and skill levels with a focus on safety and skill development.
Big Blue Scuba is a PADI 5 Star Instructor Development Center and PADI TecRec Center located in New York. The shop provides diving training, adventure tours, and dive equipment retail. They offer courses ranging from entry-level diver training to dive instructor training.
| 2 | Hampton Dive Center | 4.8(32) | none | none | PADI | Visit |
| 3 | Port Divers | 4.6(27) | none | none | PADI | Visit |
| 4 | Good Life Divers | 4.8(25) | none | none | PADI · SSI | Visit |
| 5 | Giant Stride Dive Shop | 4.7(79) | none | none | PADI · NAUI · SDI/TDI | Visit |
| 6 | 4.4(53) | 5.0 | none | PADI | Visit |
| 7 | Orbit Marine Sport Center | 4.3(44) | none | none | none | Visit |
| 8 | Pan Aqua Diving | 4.9(115) | none | none | PADI | Visit |