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In Martinique, every landscape tells a story, and that of Rocher du Diamant is absolutely fascinating. Majestic and mysterious, this volcanic islet that rises to an altitude of 175 meters is much more than a natural curiosity: it's a true witness to the naval battles of the XIXᵉ century and a treasure trove for nature and adventure lovers. Ready to dive into its mysteries?

An epic story between Englishmen and French people

Close your eyes for a moment. Imagine this arid, inhospitable rocky outcrop, battered by the waves, welcoming a hundred or so British soldiers in 1804. During the Napoleonic Wars, the British, recognizing its strategic importance, transform Diamond Rock into a maritime fortress they christen "HMS Diamond Rock".
Thanks to its five cannons, the rock becomes a veritable natural warship, capable of controlling maritime traffic in the St. Lucia Channel. For 17 months, the soldiers withstood the French onslaught, living in extreme conditions with limited rations of water, chickens and a few goats to subsist.
But in June 1805, after a bitter struggle and a blockade imposed by the French, the English had to surrender, leaving behind them a military legend. This historic chapter lends Diamond Rock an epic aura, etched in memories and landscapes.

A unique natural sanctuary

Today, the Diamond Rick is inaccessible to the public, but it remains no less fascinating. Classified as a nature reserve, it is home to colonies of seabirds, Couresse snakes - a species endemic to Martinique - and Gécarcinus ruricola crabs. This jewel, visible from the beaches of Le Diamant and the surrounding hills, stands proudly in the sea, testifying to the harmony between nature and history.

Explorer's tip: Meet early in the morning on Diamant beach. When the sun rises, the rock sparkles, fully justifying its name.

Dive into the heart of the Diamond Rock

The mystery of Diamond Rock doesn't stop at its surface. Its spectacular seabed makes it one of Martinique's best diving sites. Caves, volcanic faults and crystal-clear waters reveal exceptional marine fauna: turtles, rays, multicolored fish, and sometimes even dolphins.

Before diving: This site is recommended for experienced divers due to the currents. For a safe and unforgettable experience, use a local dive center.

An Dlo Le diamant
  • Diving & snorkelling
Our club is located on a small fishermen's beach 10 minutes from the Diamant rock. Dive on one of the most beautiful sites in the region in a friendly and safe atmosphere. As well as scuba diving in the Bay of Diamant, we also offer guided walks with swimming starting from the Cherry.
Dsc Plongée Martinique Le diamant
  • Diving & snorkelling
The closest diving club to the Rocher du Diamant. In a friendly, family atmosphere, come along every day to discover the magnificent diving on offer at the Rocher and in the bay.
Madiana Blue Plaisir Le diamant
  • Diving & snorkelling
Madiana Blue Plaisir Diving was born out of a desire to create a family-run centre. We make no compromises when it comes to safety or ensuring our divers have a great time. It was also a chance to return to my home island and combine diving with Caribbean culture. Above all, however, we aim to live up to the trust placed in us by our divers, whilst never forgetting that this destination is the realisation of a dream for many people. The centre is situated in the small traditional harbour of La Cherry in Le Diamant. It lies off the beaten track of mass tourism, yet remains easily accessible and has a car park. The club is committed to an eco-friendly approach through several practical measures: collecting rainwater for rinsing equipment, using dry toilets, filtering water for drinking purposes to minimise the use of plastic bottles, sorting waste, and organising a day dedicated to collecting litter around the club. We have a 16-seater rigid-hulled boat, though we deliberately limit the number of divers to 12 for greater comfort. Surface safety is guaranteed on every outing. And our fleet of equipment consists almost exclusively of very recent gear. Our programmes range from introductory sessions with or without equipment (introductory dives, snorkelling) through to advanced training (from PE12 to N4/OPW) and exploration tailored to your level or preferences. We also offer packages such as double dives, refresher courses, and technical or specialised dives. During introductory dives, photos will be taken to capture this first dive. The excursions on offer range from Diamond Bay to Nahoon, passing by the Diamond Rock and its fault. On the programme: the colours of the coral world with its wildlife and the atmosphere of the fault… After each dive, you’re invited to socialise over a homemade ‘planteur’ and refreshing drinks. Madiana Blue Plaisir Diving is your partner in exploring Diamond Bay. A bay that has everything it takes to appeal to divers of all levels, from beginners to the most experienced. And all this with the help of a team whose philosophy is ‘PLEASURE BEFORE PERFORMANCE’.

Discover the Diamond Rock in a different way

If diving isn't your forte, why not explore the surrounding area by boat?

  • Short excursions (1 to 2 hours): Sail around the Rock, listen to captivating tales from local guides about its history, and take a dip in the crystal-clear waters of the "Rock Pool".
  • Sea half-days: In addition to discovering the Rock, sail along the coast to explore the surrounding coves, accessible only by boat.

    These walks offer stunning views of other Martinique treasures, such as the Anse Caffard Memorial, the Maison du Bagnard, and the majestic Morne Larcher.
     

Calypso-Croisieres Les anses-d'arlet
  • Excursion mer
  • Location Bateau
  • Plongée snorkeling
Partez à la découverte des trésors cachés de la Martinique ; goûtez aux plaisirs de la navigation à la voile dans les eaux turquoise de l’île aux fleurs. Au programme, rencontre avec les dauphins, découverte des fonds marins ou encore baignade avec les tortues. Le must : le Tour de la Martinique des distilleries en catamaran, une semaine de croisière autour de la Martinique durant laquelle vous aurez le plaisir de découvrir des criques désertes accessibles uniquement par la mer, de partir en randonnée, et surtout de goûter les meilleurs rhums du monde. Une multitude de possibilités s’offrent à vous... Egalement : Week-end Sainte-Lucie et croisières aux Grenadines. Thématique : plongée et kite. Location de voilier/ apprentissage de la voile / location et apprentissage de catamaran de sport.
Catamaran Diamond Rock Les trois-ilets
  • Excursion mer
Naviguez à travers les plus beaux sites de la côte Caraïbe Nord ou Sud dans une superbe ambiance sur notre catamaran DIAMOND ROCK, un Taiti 75 de 23 mètres de long et 11 mètres de large, avec à son bord nos membres d'équipages à votre service. Notre catamaran est équipé de tables avec bancs, de filets pour se relaxer, de toilettes et d’une échelle de bain pour des baignades en toute sécurité. 2 types de sorties vous sont proposées : * Anses Coralliennes - Sud Caraïbes * Dauphins et Volcan - Nord Caraïbes Anses Coralliennes - Sud Caraïbes Départ à 9h de la pointe du bout des Trois-Îlets. Navigation vers puis autour du rocher du Diamant. Plusieurs arrêts prévus au bourg des Anses d'Arlet, à Grande Anse et à la grotte aux chauves-souris; durant lesquels nous vous fournirons masques et tubas pour observer les tortues et les fonds marins. Repas et boissons à bord compris dans le prix ; journée all-inclusive pour 80€ par adulte 50€ par enfant (de 2 à 12 ans). Retour à 17h. Dauphins et Volcan - Nord Caraïbes Départ à 8h de la pointe du bout des Trois-Îlets. Navigation vers le large du Carbet pour observer dauphins -et baleines selon la saison. Profitez ensuite de temps libre à St-Pierre pour visiter les ruines de la ville ainsi que le marché. Dans l'après-midi, plusieurs arrêts baignade et plongée avec masques et tubas sont prévus. Repas et boissons à bord compris dans le prix ; journée all-inclusive pour 85€ par adulte 50€ par enfant (de 2 à 12 ans). Retour à 17h.

A breathtaking view from Morne Larcher

For a unique perspective on the Rocher du Diamant, lace up your sneakers and set off to climb Morne Larcher, nicknamed the "Reclining Woman" for its distinctive shape. Sure, the 400-meter ascent will put your legs to the test, but the panoramic view that awaits you at the summit is worth every drop of sweat.

Why discover Diamond Rock?

Whether you're a history buff, a deep-sea adventurer or simply curious in search of spectacular scenery, the Rocher du Diamant is a must-see on your stay in Martinique. It embodies both the power of nature and the epic tales that shape the island's soul.
So, will you be among those who admire this jewel from every angle? One thing's for sure: Diamond Rock will remain etched in your memory long after your trip.

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