Alupang Beach Club
- 997 So. Marine Corps Drive
- Tamuning, GU 96913
- (671)646-1940
Atlantis Guam, Inc.
- 319 Aqua World Marina
- Piti, GU 96915
- (671)477-4166
Big Cruises
- 1199 Pale San Vitores Rd.
- Tumon, GU 96913
- (671) 646-8000
Blue Persuasion Dive Boutique
- P.O. Box 2386
- Hagatna, GU 96932
- (671)969-3232
Coco Palm Garden Beach
- 756 S. Marine Corps Drive, #201
- Tamuning, GU 96913
- (671)649-5050
Fish Eye Marine Park (Pacific Underwater Observations)
- 818 North Marine Corps Drive
- Piti, GU 96915
- (671)475-7777
Guam Seawalker Tours (Seaquest Guam, Inc.)
- 372 Marine Corps Drive
- Piti, GU 96915
- (671)477-3881
Iruka Watching Adventure
- P.O. Box 6098
- Tamuning, GU 96931
- (671)649-1941
Ocean Jet Club
- P.O. Box 3058
- Hagatna, GU 96932
- 646-2294
