We track 30 dive operators in Guam. 23 teach certification courses (23 PADI, 13 SSI). 23 run snorkelling trips. The biggest cluster is around Piti Village, with 8. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
The 8 highest-ranked of 30. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Scuba Guam | 5.0(33) | none | none | PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 30 dive operators in Guam, with the biggest cluster around Piti Village. 23 of them run certification courses.
PADI is the most common agency (23 centres), followed by SSI (13).
23 of the 30 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.
Scuba Guam / Axe Murderers Guam is a dive operator located at 167 E S Marine Corp Dr, Tamuning, Guam. They offer diving and tours.
Axe Murderer Tours Guam Beach House is a dive operator located at 167 E S Marine Corps Dr Ste 104, Hagåtña, Guam.
Wanderers, formerly known as S2 CLUB GUAM, is a diving operation located in Piti Village, Guam. They are situated near Cabras Island.
MDA Piti Headquarters is located at 856 North Marine Corps Dr, Piti, Guam. It is likely a dive operation.
Micronesian Divers Association is a PADI 5-Star Instructor Development Center based in Guam that has been in operation for over 50 years. The company provides a range of services including scuba training, equipment retail and repair, and daily boat diving operations.
NINJA DIVE Guam is a sporting goods store in Tamuning, Guam, with a 5-star rating. They are open daily and accept cash only. The business is located near St Anthony Catholic Church.
Sunny Divers is a dive shop located in Apotgan, Guam. They are open seven days a week and accept various payment methods including credit cards and debit cards. The business is located near Guam Ocean Park.
MDA NEX Dive & Snorkel operates on the U.S. Navy Base in Apra Harbor, Guam. They are located within the Home Center Complex.
Guam Dream Dive is a school located in Apotgan, Guam, with a high rating from its customers. They are open daily and offer wheelchair accessible parking and entrance. The business is situated near various shopping centers and restaurants.
GODIVEGUAM is a sporting goods store located in Upper Tumon, Guam, with a 4.8-star rating. They are open seven days a week and accept debit cards and NFC payments. The store is situated near Pia Marine Condominium.
| 2 | Axe Murderer Tours Guam Beach House | 4.7(116) | none | none | PADI | Visit |
| 3 | Wanderers | 4.5(113) | none | none | PADI · SSI | Visit |
| 4 | MDA Piti Headquarters | 4.5(111) | none | none | PADI | Visit |
| 5 | Micronesian Divers Association (MDA) | none | none | none | PADI | Visit |
| 6 | Ninja Dive | 5.0(25) | none | none | PADI · SSI | Visit |
| 7 | Sunny Divers | 4.7(24) | none | none | PADI · SSI | Visit |
| 8 | MDA NEX Dive & Snorkel | 4.8(21) | none | none | PADI · SSI | Visit |
