NABS clubs are divided into four regions within the United States, the western region, the mid-west region, the southern region, and the northeastern region.
Each region is represented by a regional representative; the regional rep is the liaison between the club presidents and the NABS Executive Board.
Western Region
Arizona, California, Colorado, Idaho, Oregon, Montana, New Mexico, Nevada, Utah, Washington
- Los Angeles Black Underwater Explorers – Los Angeles, CA (1991)
Midwest Region
Illinois, Iowa, Indiana, Kansas, Nebraska, Michigan, Minnesota, Missouri, Nebraska, North & South Dakota, Ohio, Wisconsin
- Windy City Seals – Chicago, IL (1991)
- North Coast Aquatic Scuba Club – Cleveland, OH (1991)
- Michigan African-American Scuba Klub – Detroit, MI (1991)
- Cincinnati Underwater Explorers – Cincinnati, OH
- New Depth Dive Association- Indianapolis, Indiana
Southern Region
Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North & South Carolina, Oklahoma, Tennessee, Texas
- Atlanta Underwater Explorers – Atlanta, GA (1991)
- Southern SeaQuestrians, Atlanta, GA (2014)
- Unicorns of Diving – Tampa, FL (2020)
- DIVERSe Orlando – Orlando, FL (1991)
- Nubian Dive Club of Houston – Houston, TX
- Black Coral Divers – Dallas, TX
- Nubian Divers of Charlotte- Charlotte, North Carolina
Northeastern Region
Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, West Virginia, Vermont, Virginia, Washington DC
- Underwater Adventure Seekers – Washington, DC (1991)
- Atlantic Rangers – Philadelphia, PA (1991)
- Aquatic Voyagers Scuba Club – New York, NY (1991)
- Charm City Scuba Club – Baltimore, MD (2013)