All 105 people staying at the Summer Bay Resort in Clermont, near Disney World, were safely evacuated when the ground gave way on Sunday night.
By Monday morning, nearly a third of the complex had collapsed into a sinkhole up to 100ft (30m) in diameter.
Much of Florida straddles a system of limestone caverns that are subject to water erosion, causing them to cave in.
In March, a sinkhole beneath a house in the suburbs of Tampa, swallowed a man who was in his bed. His body was never recovered.
The state requires home insurers to provide coverage against sinkholes....