Answer: drydock

AnswerCrossword Clue
DRYDOCK

It'll un-float your boat

DRYDOCK

Marine maintenance site

DRYDOCK

Ship maintenance site

DRYDOCK
Shipyard structure
DRYDOCK
Place to fix a sloop
DRYDOCKPlace for constructing ships.
DRYDOCKNewport News installation.
DRYDOCKShip's "hospital"
DRYDOCKShipyard area
DRYDOCKPlace for ship's repairs
DRYDOCKShipyard feature
DRYDOCKRepair site