Black Rock is the island’s wild coast — the south shore where the cliffs run ragged, the waves arrive with their shoulders squared, and the crowd is whoever bothered to walk. It’s named for the big dark rock at the shoreline, which is also your landmark: when you can see it, you’re there.
Getting there is the filter
No parking lot, no pavilion, no shortcut. Drivers park near Vaill Beach and walk the shore west. On foot or by bike, a private dirt road gets you closer — mopeds are not allowed on it — or you come down through Rodman’s Hollow, which turns the trip into a proper little expedition and is, frankly, the right way to do it. The effort is the admission price, and it keeps the beach honest.
What you get
Smooth beach stones, driftwood arrangements the ocean redecorates nightly, and surf that shows up when conditions line up — surfers rate this among the island’s best breaks on the right swell. Sunset over the cliffs from here is the moody, empty-beach version that the postcard spots can’t sell you.
Respect the water. There are no lifeguards, the currents are genuinely strong, and the waves that make the surfers happy should make swimmers thoughtful. Wade with judgment, keep kids at the edge, and treat a big-swell day as a walking day. Check the marine forecast before you commit the afternoon.
The verdict
Sixth in the ranking only because rankings reward convenience. On the right October afternoon with the light going long, there’s no better beach on the island — and you’ll likely have it to yourself.