Adams Key is a small island with a dock in Biscayne National Park. It has no campground, only a day use area maintained by the Park Service. If you boat or paddle to Adams, you’ll find a picnic pavilion and a toilet, and little else. This island gets many fewer visitors than Boca Chita or Elliot Key, so it’s a good place to find solitude and sea life. If you want to stretch your legs while there, walk this short loop trail. It goes from the picnic area through hammock forest and almost to the other side of the island. It doesn’t get a lot of traffic, so you may find it overgrown or hard to follow in places.