We track 39 dive operators in Maryland-Virginia Quarries. 11 teach certification courses (10 PADI, 4 SSI). 8 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 39. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 |  Eastern Watersports | 4.7(37) | none | none | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.
Fin lists 39 dive operators in Maryland-Virginia Quarries. 11 of them run certification courses.
PADI is the most common agency (10 centres), followed by SSI (4). SDI/TDI also appear.
1 operator in Maryland-Virginia Quarries offers accommodation alongside diving.
8 of the 39 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.
Eastern Watersports is a dive shop offering scuba diving services, including training, equipment sales, and guided dives. They are located in Middle River, Maryland, and serve the Baltimore metropolitan area. They offer PADI certifications.
Diventures is a dive center offering a wide range of scuba classes, from certification to professional levels. They also provide swim lessons and have a full-service dive gear and repair shop. The Vienna location is a PADI Dive Center and formerly known as Nautilus Aquatics.
Coral Edge Adventures is a dive center located in Sterling, Virginia, USA. They offer PADI courses, guided dives, and equipment rental. The center is known for its experienced instructors and its commitment to providing a safe and enjoyable diving experience.
One Ocean Scuba is a dive shop located in Rockville, Maryland, offering PADI-certified instruction, equipment sales, and organized dive trips. They provide delivery, Wi-Fi, and curbside pickup.
Atlantic Edge Scuba is a dive school located in Gaithersburg, Maryland. They offer scuba gear and certifications. The business is operational and has a high rating from customer reviews.
Divers Den is a full-service dive center located in Baltimore, Maryland, established in 1958. They are Maryland's only Scuba Diving International (SDI) 5-Star Professional Development Center, offering a wide range of training from novice to professional levels. The center also provides equipment sales, rentals, air fills, and specialty gas blending.
Stingray's Scuba School LLC is a full-service dive shop located in Arnold, Maryland. They offer scuba lessons, gear rentals, and travel services. The business is operational and has a high rating based on customer reviews.
Blue Marble Divers is a dive shop located in Hagerstown, Maryland, offering SCUBA and snorkeling gear. They provide training and certifications for divers. The business is operational and has a perfect rating based on customer reviews.
Kent Island Scuba is a sporting goods store in Stevensville, Maryland, that also appears to offer dive-related services. They are open Tuesday through Sunday, with a high rating of 4.8 stars from 25 reviews.
SCUBA Professional Education Dive School is a PADI 5 Star IDC (Instructor Development Center) offering a full range of scuba diving courses from beginner to professional levels. They also provide equipment sales, service, and rentals. The school is located in Chevy Chase, Maryland.
| 2 | Diventures | 4.9(201) | none | none | PADI · SSI | Visit |
| 3 | Coral Edge Adventures | 4.8(95) | 4.5 | $150 | PADI · SSI | Visit |
| 4 | One Ocean Scuba | 5.0(40) | none | none | PADI | Visit |
| 5 | Atlantic Edge Scuba | 4.9(78) | none | none | none | Visit |
| 6 | Divers Den | 4.3(44) | none | none | SDI/TDI | Visit |
| 7 | Stingray's Scuba School | 4.9(29) | none | none | PADI · SSI | Visit |
| 8 | Blue Marble Divers | 5.0(27) | none | none | PADI · SSI | Visit |
