The National Park Service has recently given some attention to those ruins. They include an estate house, a rum still, and a sugar factory.
Lynn Giovanna, of Islandia Real Estate, calls them ‘fabulous’ and included this photo on the firm’s blog.
“It’s a must see!!,” Giovanna enthused. “You can find the entrance with a small clearing for parking shortly after you pass the entrance into Catherineberg when traveling east on Centerline (about three-tenths of a mile). Look for it on your right after a few bends in the road.”
The trail runs from Centerline Road to Reef Bay. It's maybe a 30-minute hike. Here’s a link to a National Park Service map.