Last Friday night, I spent one night in a Beach Club room (AP rate) prior to a three-night BCV stay. When I checked in to the BC on Friday evening, I told the CM at the desk that I wanted to check out of the BC and into the BCV before going to the parks the next morning, so I wanted to know how early I could check in. She said that I could check in as early as 6:00 AM. (I ended up actually showing up at the front desk just before 7:30 the next morning on my way to Early Magic Hour at the Studios.)