Send a diver down to plug
hole, close sea cock whatever.
Then Home Depot AC pumps with hoses, etc. (about $140 each)
If the hull
top are under water
with bags or crane, the start pumping.
Did the above with a 50 foot Crocker 2 years ago. Sank at the dock
. Hit the bottom before the deck
was under. Pumped out and refloated in 10 hours.
If insured, call surveyor