> By adverse possession, I get that 6 inches of property and don't have to move the dock. AP needs to be exclusive. So if you didn't have a fence keeping the n

> By adverse possession, I get that 6 inches of property and don't have to move the dock. AP needs to be exclusive. So if you didn't have a fence keeping the neighbor off the dock, then what you'd get is a prescriptive easement. You'd get to keep using your dock where it is, but the neighbor would still have title to the strip of land. There may be some conditions in which the neighbor would get to access the part of the dock on his land.