Submit your photos for Photographer of the Week Spencer Huang Qing Bin Congratulations ...

Sure, you're on vacation, but diving under the influence is a recipe for disaster.

#2 "Hey, does your dive computer have internet access?"Katy Perry of Martinez, Calif.

Cough, cough. Plus: advice for divers with allergies and balance disorders.

#4 Use your diver down flag to locate your car in parking lots. Scuba Diving's Top 10 Things Lists.

American divers are making a bigger splash these days. How fat is unfit?

Student Registration "Wizard" Makes Registering NAUI Course Graduates Easier

Lots of batteries mean lots of light. But we tell you which lights make best use of all the power.

Your dive buddy just ran out of air and he's coming for you. Is your octopus reg up to the job?