#2 Nothing but a hole at the bottom.Mike of Staten Island, N.Y.

#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

The question is simple: Your buddy needs to share air. Now what?

There's more to diving here than soft coral, white sand and a bilo shell filled to high tide.

When you dive with sea lion pups off California's Santa Barbara Island, you've got to share your toys.

We asked professional fish finders for their tricks. Now the secrets of the masters can be revealed.

Submit your photos for Photographer of the Week Lorne C. Reid Congratulations Lorne C. ...