1) Diving support equipment 
Liveaboard can mean: ==Scuba diving liveaboards== In the recreational scuba diving industry, a liveaboard service offers its guests to stay on board for one or more nights, unlike a day boat operation. This allows time to travel to more distant divesites. Normally a liveaboard operation charters for ten to thirty passengers. While most liveaboards...
A diving cruise where divers spend the entire journey doing dives at strategic points where diving is especially impressive and exclusive. Know more about Dressel Divers’s Liveaboard offers.
A cruise ship, yacht or other overnight boat that is tailored to scuba divers. Most often, this will have accommodations including beds, bathrooms, gear rentals, tanks and include meals.