Place guide · Ile Tintamarre
Tintamarre
Ile TintamarreA small uninhabited island off the eastern coast of Saint Martin, surrounded by one of the best coral reefs in the Lesser Antilles, with excellent snorkelling and diving, a long white-sand beach, and a rookery for brown pelicans and terns.
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A closer look
Ile Tintamarre lies about three kilometres off the eastern coast of Saint Martin, a low flat island barely above sea level and covered in sea grape and casuarina trees. It is uninhabited, has no facilities, and receives no management; yet it is arguably the finest natural environment in the entire Saint Martin/Sint Maarten territory, with a reef system that remains in better condition than those closer to shore.
The island is reached by small boat from Marigot harbour or from the beach at Anse Marcel on the French side. The crossing takes between twenty and forty minutes depending on the boat and sea conditions; on calm mornings the water is turquoise and you can see the reef outline from the surface before the boat slows for the shallow approach.
The reef that surrounds the island is a marine reserve, one of the oldest in the Caribbean, with parrotfish, surgeonfish, and eagle rays present in numbers that have become rare closer to the main islands. The coral itself is healthy staghorn and elkhorn, and the fish biomass per square metre is significantly higher than at Pinel Island, which receives far more visitor pressure.
The beach on the western shore is about 800 metres long, narrow at the waterline but widening to a dry sand flat backed by sea grape trees. It is a nesting site for brown pelicans and several tern species, and the seabird activity in the early morning is remarkable: dozens of pelicans diving for fish just beyond the reef and frigatebirds circling overhead.
Snorkelling is excellent from the shore along the western reef flat, where the water is waist-deep for the first thirty metres before dropping into a channel that runs parallel to the beach. Divers typically arrange a boat trip that includes two or three dive sites around the island, including a wall drop on the eastern side that descends to about thirty metres.
The island has no fresh water and no shade except under the beach-edge trees. The casuarina trees along the back of the beach create a sparse shade that is enough for a midday rest but not for extended protection from the sun. Visitors must bring everything they need, including fresh water, and take all rubbish back to the main island.
The experience of Tintamarre is fundamentally different from the beach bars and built environment of the main island. It is quiet except for the seabirds, the water is clear and alive with fish, and the reef feels genuinely wild rather than managed. Most visitors who spend a full day on the island count it as the highlight of their trip to Saint Martin.
The surrounding reef is one of the best-preserved in the Lesser Antilles, with significantly higher fish biomass than the reefs closer to the main island, and it is protected as a marine reserve.
The island is a major seabird rookery, with brown pelicans, royal terns, and sandwich terns nesting on the beach and cliffs, and the bird activity in early morning is among the most memorable wildlife experiences in the entire territory.
The white-sand beach and clear shallow water offer excellent snorkelling directly from shore, without the need for a boat or diving certification.
Before you go
Current details checked July 2026
- Best season
- Best visited from December to April when the sea is calmest and the boat crossing is safest; the summer months from June to November can bring rough seas and fewer boat operators willing to make the crossing.
Seabird nesting activity is highest from March to July; the beach may be partially closed during the peak nesting period to protect the brown pelican colony.
Editorial guidance - Before you go 1
- Take all drinking water and food you will need for the day; there is no fresh water or supplies on the island.Editorial guidance
- Before you go 2
- Reef-safe sunscreen is required — the marine reserve regulations prohibit certain chemical sunscreens; bring a full supply as the island has no shade worth the name.Editorial guidance
- Before you go 3
- The island has no toilet facilities; plan accordingly and leave no trace.Editorial guidance
- Before you go 4
- Book a boat trip from Marigot harbour in advance, especially in the high season from December to March; the crossing is only undertaken when sea conditions are safe.Editorial guidance
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Practical notes
Note 1
Ile Tintamarre is a small uninhabited island approximately 3 kilometres off the eastern coast of Saint Martin, surrounded by a marine reserve with some of the healthiest coral reefs remaining in the Lesser Antilles.
Note 2
The island has no facilities — no fresh water, no toilet, no shade beyond the beach-edge trees — and visitors must take all supplies and rubbish with them.
Note 3
Boat trips depart from Marigot harbour and Anse Marcel; the crossing takes 20-40 minutes depending on sea conditions and requires booking in advance in high season.
Note 4
Shore snorkelling is excellent along the western reef flat; divers typically visit the eastern wall drop and several channels as part of a guided boat trip.