If you have been shore diving and have had to endure long surface swims to get to deep enough water to enjoy your favorite dive sitehelp is on the way. PADI" Boat Diving DVD will give you valuable information to make you a safe and efficient boat diver. DVD coversboat edict, for diving what's a bow, stern, head gunnels, port, starboard, etc., so you know your way around a boat. DVD also covers Safety in boat diving and proper diving techniques associated with diving from a boat. It's great! Just jump off the boat andthe dive site is directly below you! No more long surface swims to make you tiered and not want to make a second dive.