The single review of Sunday Bay chickee offers a pic of 11 people, and someone had to take the pic, so, 12 people on a single chickee site.  The Park Service for some reason doesn't give details on Sunday Bay chickee, but for those that they do, the absolute maximum number of people allowed on ANY…

The Chickees found in the Everglades is a true experience. They offer a little "floating" oasis among a maze of mangroves. These small wooden structures provide a little solid ground in the sea of grass. Usually the chickees have protected-o-johns but the one at this particular chickee was removed…