1. Underwater Adventure Seekers
1605 Crittenden St NE, Washington, DC 20017
Coordinate: 38.9468,-76.98282
Phone: (202) 526-3404
2. National Diving Center
4932 Wisconsin Ave NW Ste 1, Washington, DC 20016
Coordinate: 38.95429,-77.08275
Phone: (202) 363-6123