You can contact the FD ahead of time to make a request to check in early as long as the room is ready, but this is just a request and is not guaranteed. Check in is guaranteed at 4:00pm.
Late check out can be request the day of check out based on occupancy. Check out is at 11:00 AM and unless approved, charges of $25 every 30 minutes after up untill 2PM will be applied, thereafter: RACK rate room & taxes for that night will be charged.