We built probably 20 100'+ 5,000 HP river tugs in the last 6 years or so. They are nice, they can change the oil in the engines while they running just by turning a few valves. These are some bigger boats that push coal barges on the Northern Part of the MS River. They have a full Commercail Kitchen, Engineer has an office with a window the engine room where he can see what's going on in the engine room. Each quarter has it's own shower toilet and sink. Captain has his own room on the level right below the wheel house. Ice box in the wheel house with a coffee pot and a ****ter 3 steps from it. The only crew members that have to share a room are the DH's. They put 2 to a room but one works night watch and the other works day watch. They have their own cook. The only exercise equipment they have is a bike and a treadmill. I have seen one boat come back that had a weight bench on the roof.
http://www.gulfisland.com/projects-marine-vessels.php