Cave of Rum Bay
A hidden sea cave carved into Saba's wild volcanic coastline
Why Go
Tucked into the cliffs of the Caribbean's 'Unspoiled Queen,' the Cave of Rum Bay is a shadowy sea grotto that most visitors sail right past without noticing. Reachable only from the water, it's a briny, echoing pocket where dark volcanic rock plunges into impossibly clear blue, and the only soundtrack is the slap of swell against stone.
The Experience
Saba is a five-square-mile volcanic pinnacle with no beaches to speak of, so its best coastal moments happen along the shoreline itself, and Rum Bay is one of the quiet stars. The bight cuts into a stretch of rugged, uninhabited cliff on the island's flanks, forming a small cave where sunlight bounces off the water and paints the walls in shifting turquoise. Boats from Fort Bay slide in close on calm days, letting snorkelers drop off the transom straight into a protected corner of the Saba National Marine Park. Below you, the reef is textbook Saba: healthy elkhorn, gorgonians waving in the current, parrotfish grazing, sergeant majors buzzing your mask, and, if you're lucky, a hawksbill turtle cruising through. Because there's no beach, no dock, and no signage, the whole scene has the feel of stumbling onto a secret the island forgot to advertise.
What to Try
Ask your skipper to cut the engine outside the cave mouth so you can drift in on the swell and hear the acoustics. Snorkel the wall just outside the bight where the reef drops off steeply, then swim along the cliff line for schooling fish tucked into the shadows. If conditions are glassy, freedivers can peek into the cave's deeper recesses; on choppier days, admire it from the boat and reposition to a calmer nearby site like Torrens Point or Ladder Bay.
Insider Tip
Rum Bay only works when the sea cooperates - swell wrapping around the coast can slam the cave mouth and make it a no-go. Check with Sea Saba or a local skipper the morning of, and be flexible: the same operators know a rotating menu of coves and can pivot you to whichever bight is behaving that day.
The Practical Stuff
Access is by boat only, typically as part of a private charter or snorkel/dive trip out of Fort Bay Harbour. There are no facilities, no landing, and no cell service - bring water, reef-safe sunscreen, and a rash guard for shade. All visitors need a Saba Marine Park tag (a small daily or annual fee, usually included with licensed operators). Best conditions are generally in the calmer late-spring to early-summer window; hurricane season (August-October) can shut the coast down entirely.
Pair It With
- Brigadoon — Windwardside classic where a boat day on the coast is best rewarded with a leisurely, chef-driven dinner and a strong cocktail.
- Angelina's Saba By OwAiChie — Casual local spot to refuel with island food and cold drinks after a salty morning on the water.
- Bizzy B Bakery — Grab pastries and sandwiches here on the way to Fort Bay so you're not hunting for snacks before your boat pushes off.