Wiktionary
boatless
a. Without a boat or boats.
Usage examples of "boatless".
Already I encountered many other boats and boatless flyers, bound for the same goal.
He tied together for some reason two boats, stern to prow, got into the first, and pushed off quickly leaving boatless this side of the bank.
Then the six-seater to the Cape: how aerodynamically carefree it was, how the baby plane was whisked up on the thermals, out over the boatless water.
They just stood there, staring at what should have been Clay's boat but instead was a big, boatless gob of tropical air.