Everyone's priorities for a liveaboard sailboat are different—a bluewater cruiser looking to sail around the world might pick a very different boat from someone who lives full-time dock life. In general terms, you need to find a boat that is safely capable of taking you where you want to go and has enough living space to be comfortable while doing it.  Sailing catamarans are some of the most popular liveaboard sailboats because their living space is unmatched. Most are also bluewater-capable cruisers that can go pretty much anywhere.