Getaways with secluded

Big Island, Hawaii

A one-bedroom treehouse on a 3-acre fruit farm in the Kaloko rainforest near Kailua-Kona, Hawaii, with ocean views, a hot tub and sauna.

Utila, Bay Islands Department

A hand-built, three-deck treehouse on Utila's north shore, with two bedrooms, an outdoor shower, and island-wide sea views.