Bel Air Scuba Center -
 Providing instruction, equipment sales and service, travel opportunities and air fills.
http://www.belairscuba.com

Brass Anchor Scuba Center -
 Based in Frederick, with instruction, online newsletter, dive travel, and local dive information.
http://www.brassanchor.com/

Chesapeake Scuba -
Snorkeling & scuba classes from beginner to instructor; equipment sales & service; underwater video & photo; travel.
http://www.chesapeakescuba.com

Columbia Scuba -
 Store hours, contact information and details on various levels of PADI certification courses.
http://www.columbiascuba.com/

Divers Source -
PADI scuba Training in Southern Maryland.
http://www.diverssource.com

DiveSafety -
 Based in Annapolis with information on technical training, including decompression, technical nitrox, extended range, cavern and cave diving.
http://hometown.aol.com/divesafety/index.html

Lets Go Diving -
Full service dive shop offering PDIC instruction, dive vacations and equipment. Atlantic and Bay diving.
http://www.letsgodivingmd.com

Olney SCUBA Adventure Dive Club -
 Club information includes membership details, photo gallery pages, dive reports, message board and classified ad section.
http://www.scubaadventure.org