How late can you debark ship
 

What is the latest you can stay on ship...we will be staying in FL after trip in Miami and would like to take our time leaving ship

Usually until about 10, since the ships needs to be cleaned for the new passengers.
Some of them come oaround 1100.

Yes, and often they want you out of your room at 8:30 and then you must hang around in the dining room, or other public areas of the ship waiting to be called.

They get you out of the room early, you wait in a public area for your color to be called to disembark. Everything is closed, no bars, no buffet, no room service. If they don't get you off the ship, the hunger and thirst will :))

it depends on your line.
On HAL, you are allowed to stay
in your room, listen for the
color-coded tag announcements or
view it on one of the TV channels.