National Dive Center - Chocolate City's only dive store.
4932 Wisconsin Ave. N.W. Washington, DC 20016 (202) 363-6123

Seahorse SCUBA - Serving the SCUBA community in Maryland, Washington DC, and NorthernVirginia with a great selection of recreational and technical dive equipment, and provide professional and friendly training to enhance your enjoyment of the sport.
11262 Triangle Lane Wheaton Md, 20902 Phone (301) 962-8100