Originally Posted by BAver
Tried but it's cut off behind the sofa?
Even so, it had to go through something somewhere. There must be a hole.
Is the floor behind the sofa carpeted?
If there was a designated place, I think it would be in the cockpit or on the bridge. Did you look inside the bridge console? Should be a telltale rust ring from the base or screw hole from brackets wherever it was.
It looks like most Gulfstars had electric stoves so maybe there never was a set place for a tank and PO just made one up???
In this link there are a couple FSBO boats with propane. Maybe make contact with them.
Gulfstar Trawler powerboats for sale by owner.