Annaberg was once one of the larger sugar plantations on St. John. The remains of the windmill and horsemill, used to crush the sugar cane to extract its juice, still stand. Much of the sugar factory, where the juice was boiled and condensed to make raw sugar, ...

Catherineburg, was another sugar plantation and factory is located on Centerline Road overlooking Cinnamon Bay. While part of the national park, it is not as developed as Annaberg. However, much of the windmill and the boiling house ...

The Reef Bay Sugar Mill can only be reached by hiking. Ranger-led hikes on Mondays and Thursdays take visitors down a 3-mile path through tropical forests to the sugar mill. Reservations are required and there are fees for taxi transportationto the trailhead and boat return to the ...