12 Beautiful Islands On the French Coast You’ll Want to Explore

Last updated on November 10th, 2025 at 07:45 am

Looking for something different to do this winter that doesn’t involve Christmas markets? Why not visit one of the many stunning islands on the French coast?

France’s coastline is a treasure trove of island escapes, each with its own pace, personality, and panorama. Perfect for day trips or to escape the heat, these spots are full of character, history, and natural beauty. Whether you’re after wild nature, coastal trails, or quiet coves, there’s an island waiting to be explored.

To help you plan your French vacation, I’ve broken it down into regions, including the mainland, coastal islands along Normandy, Brittany, the Atlantic, and the Mediterranean.

Normandy Coast

Normandy’s coastline stretches over 600 kilometers, running from the Bay of Mont-Saint-Michel to the mouth of the Seine. It’s made up of cliffs, dunes, estuaries, and long sandy beaches shaped by some of the strongest tides in Europe.

The white chalk cliffs of Étretat are the best known, with natural arches and a needle-shaped stack that have been used as lookout points and painted by artists including Claude Monet and Gustave Courbet. The Côte de Nacre and Côte Fleurie are lined with 19th-century seaside resorts, such as Deauville, Cabourg, and Trouville, which were built during the Second Empire as holiday escapes for wealthy Parisians.

Normandy was a key landing zone during World War II. The beaches of Utah, Omaha, Gold, Juno, and Sword were part of the D-Day landings on June 6, 1944. Remnants of the Mulberry harbors and German bunkers still remain along the shore.

Chausey Islands (Archipelago off Granville)

The Chausey archipelago lies about 17 kilometers off the coast of Granville in Normandy. At low tide, it reveals over 350 islets, with the largest tidal range in Europe, which exposes wide sandbanks and narrow channels. At high tide, only around 50 islands remain visible.

Grande-Île is the only inhabited island. It’s just 1.5 kilometers long and has a small year-round population. There are no cars. The main structures include a 19th-century lighthouse, a fort built under Napoleon III, and remnants of granite quarries that once supplied stone for Saint-Malo.

The waters around Chausey are rich in shellfish, particularly oysters and mussels. Local fishermen continue to work from the port of Granville, utilizing their knowledge of the rapidly changing tides to navigate the area safely. The archipelago has been used historically for smuggling, military defense, and stone extraction. Today, it’s part of the protected natural zone of the Mont-Saint-Michel Bay.

Brittany Coast

Brittany’s coastline runs for over 1,700 miles, making it the longest of any region in France. It’s fractured into peninsulas, cliffs, and capes that face straight into the Atlantic. The tides here can shift by over 40 feet in a day. Storms roll in hard, and the sea has shaped every part of life along the coast.

Fishing villages like Douarnenez, Camaret-sur-Mer, and Roscoff built their economies on sardines, langoustines, and seaweed harvesting. The region’s granite cliffs have pulled in artists for over a century, including Gauguin, who painted in Pont-Aven. Lighthouses line the coast, including La Jument and Phare de Kéréon, which have both been damaged and rebuilt more than once.

Many of the islands off Brittany were used for defensive watchpoints or as stopovers for sailors. Others have prehistoric sites, wartime ruins, or abandoned chapels. Some are accessible only on foot at low tide. Others need a boat and a good weather window.

Île de Bréhat

Île de Bréhat sits off the northern coast of Brittany, about 10 minutes by boat from the port of Pointe de l’Arcouest near Paimpol. It’s made up of two main landmasses connected by a tidal causeway and surrounded by dozens of smaller islets.

The island has no cars. Locals and visitors travel by foot or bicycle along narrow stone paths that pass granite houses, old wells, and former windmills. Bréhat has a unique microclimate, influenced by the Gulf Stream, which allows Mediterranean plants such as eucalyptus, agapanthus, and mimosa to thrive.

It’s lighthouse, the Phare du Paon, stands on jagged pink granite cliffs on the northeast point. The tide exposes sandbanks and seaweed beds, which were once harvested for agricultural use. In the early 20th century, artists including Marc Chagall and Paul Signac visited to paint the island’s distinctive light and coastal scenery.

Bréhat was used for coastal defense during World War II, and remnants of German bunkers are still visible in certain parts. The island is now part of a protected natural site and limits the number of visitors in peak season to preserve its landscape.

Belle-Île-en-Mer

Belle-Île-en-Mer is the largest island off the Brittany coast, located 14 kilometers from Quiberon. It’s 17 kilometers long and 9 kilometers wide, with four main communes: Le Palais, Sauzon, Bangor, and Locmaria. Regular ferries run from Quiberon, and in summer, also from Vannes and Lorient.

The island’s coastline is split between steep cliffs on the west side and sandy beaches on the east. The Pointe des Poulains, at the northwest tip, is home to a lighthouse and the restored house of actress Sarah Bernhardt, who spent summers there from 1894.

Vauban fortified the island in the late 17th century. His star-shaped citadel still dominates the port of Le Palais and was later used as a prison. During World War II, Belle-Île was occupied by German forces, who built bunkers and defense points; many of these are still visible today.

The local economy is heavily reliant on tourism, fishing, and agriculture. The island’s name originates from the medieval salt trade, when it served as a storage and transportation point. In modern times, its cliffs and changing light attracted painters like Claude Monet, who produced a series of seascapes here in 1886.

Île d’Ouessant

Île d’Ouessant lies 20 kilometers off the western tip of Brittany in the Iroise Sea. It marks the northwesternmost point of mainland France and has long been a key landmark for Atlantic shipping routes. The island is 8 kilometers long and 4 kilometers wide, with a permanent population of around 800.

Its coastline is made up of jagged cliffs, narrow inlets, and strong currents. The waters around Ouessant are known for shipwrecks. Over 300 vessels have been lost nearby, which led to the construction of five lighthouses, including the Créac’h lighthouse, one of the most powerful in the world.

The island’s interior is treeless and exposed, shaped by wind and salt. Traditional stone houses with slate roofs sit in small clusters, many still surrounded by low dry-stone walls. The island’s economy has historically been tied to fishing, lighthouse keeping, and sea rescue. Many Ouessant men served in the French merchant navy, while women ran farms and maintained island life.

The island is now part of the Parc Naturel Régional d’Armorique and the Iroise Biosphere Reserve. It’s a key site for seabird nesting, including storm petrels, razorbills, and puffins. Access is by ferry from Brest or Le Conquet, or by small plane.

Île de Groix

Île de Groix is located 6 kilometers off the coast of Lorient in southern Brittany. It’s about 8 kilometers long and 3 kilometers wide, with a population of around 2,300. Ferries run daily from Lorient, and the island is small enough to explore on foot or by bike.

The coastline is a mix of cliffs, coves, and beaches. Its most unusual feature is the convex beach at Les Grands Sables, one of the only beaches in Europe that curves outward into the sea. The island’s eastern point also contains old granite quarries and narrow inlets that were once used as sheltered fishing spots.

Groix was once one of France’s main centers for tuna fishing. In the 19th and early 20th centuries, the port of Port-Tudy supported a major fleet of line-fishing boats. At its peak, the island had over 200 tuna boats and was known for its skilled crews.

The island has over 60 identified mineral types, including blue glaucophane and green epidote, making it a site of geological interest. Several areas have been designated as protected natural zones, with cliffs and heathland that support rare coastal plants and bird species.

Atlantic Coast

France’s Atlantic coastline stretches from southern Brittany to the Spanish border. The section between the Loire estuary and the Gironde is home to several low-lying islands shaped by wind, tide, and sediment. Unlike the steep cliffs of Normandy or Brittany, this coast is flatter, with long beaches, dunes, salt marshes, and estuaries.

This part of the coast has a warmer, milder climate, especially in summer. Tourism plays a major role, but many of the islands also maintain working ports and active fishing fleets. Lighthouses, forts, and Napoleonic-era batteries remain along the coast, especially near key shipping routes like the Charente estuary.

Île d’Yeu

Île d’Yeu lies about 20 kilometers off the Vendée coast in western France. It covers 23 square kilometers and has a population of around 5,000. Ferries run year-round from Fromentine and seasonally from Saint-Gilles-Croix-de-Vie and La Barre-de-Monts.

The island’s terrain includes rocky cliffs on the southwest side and long sandy beaches on the northeast. Inland, there are pine forests, meadows, and low stone walls marking old property lines. The coastline is dotted with coves, small ports, and tidal pools.

A major landmark is the Vieux-Château, a 14th-century fortress built on a granite outcrop facing the sea. It was designed for defense against English raids and later used as a prison. The island also has several dolmens and menhirs, including Pierre Tremblante, a balancing stone believed to date back to the Neolithic period.

Île d’Yeu has a long fishing history, particularly for tuna and lobster. Although the fishing fleet has declined, the port of Joinville remains an active hub. The island is also renowned for its whitewashed houses with blue shutters, its extensive network of coastal walking trails, and a year-round community that preserves traditional festivals and local industries.

Île de Ré

Now we’re onto my home turf as the next two islands are in the Poitou-Charentes region where I live. Île de Ré is located off the coast of Charente-Maritime and is connected to the mainland by a 3-kilometer bridge from La Rochelle. The island is 30 kilometers long and around 5 kilometers wide. It includes ten communes, with Saint-Martin-de-Ré as the administrative center, and it’s stunning.

The terrain is flat and easy to navigate by bicycle. Over 100 kilometers of cycling paths link beaches, salt marshes, vineyards, and small ports. Traditional architecture features low, white houses with green shutters, built to withstand the strong Atlantic winds.

Salt production has shaped the island since the Middle Ages. The marshes around Loix and Ars-en-Ré are still used today, with local producers harvesting fleur de sel using traditional methods. Oyster farming is also widespread, especially in the Fier d’Ars bay and around La Flotte.

17th-century star-shaped fortifications designed by Vauban surround Saint-Martin-de-Ré. The island was also used as a departure point for prisoners being transported to penal colonies in the 19th century. Today, parts of the old citadel still function as a prison.

Île d’Oléron

Île d’Oléron is the largest French island on the Atlantic coast and the second largest in mainland France, after Corsica. It also lies off the coast of Charente-Maritime and is connected to the mainland by a 3-kilometer toll-free bridge. The island is approximately 30 kilometers long and 8 kilometers wide, comprising eight communes, including Saint-Pierre-d’Oléron and Le Château-d’Oléron.

The coastline is a mix of sandy beaches, dunes, forests, and rocky fishing spots. The western side faces the open Atlantic and attracts surfers, while the eastern side borders sheltered waters with oyster beds and salt marshes.

Oyster farming is a major industry, especially around the Marennes-Oléron basin, and if you like oysters, you’re in for a treat. The region is known for its fine de claire oysters, which are finished in shallow clay ponds to enhance their flavor. The old citadel at Le Château-d’Oléron dates back to the 17th century and includes a restored market, ramparts, and former military buildings.

The island is also home to the Chassiron lighthouse, built in 1836 on the northern tip. I climbed to the top when I went, and the views are simply stunning. It overlooks strong currents where the Atlantic meets the Pertuis d’Antioche strait, an area known for shipwrecks and shifting sandbanks. Much of the island is covered in maritime pine forest, planted to stabilize the dunes.

Mediterranean Coast

France’s Mediterranean coast stretches from the Spanish border to the Italian border and includes parts of Occitanie and Provence-Alpes-Côte d’Azur. It’s known for its dry summers, mild winters, and calm seas. The coastline includes a mix of sandy beaches, limestone cliffs, lagoons, and rocky inlets.

Unlike the Atlantic coast, the Mediterranean has small tidal shifts but frequent Mistral winds. Maritime trade and naval defense have shaped this region for centuries. Ancient Greek and Roman settlements once lined the shore, and many islands were used as military outposts, religious retreats, or quarantine zones.

The sea here supports a diverse array of marine life, including seagrass meadows, coral beds, and species adapted to warmer, saltier waters. Tourism began early in the 20th century with the growth of spa towns and resorts, such as Nice, Hyères, and Cannes. Some of the coastal islands remain protected as nature reserves, while others host vineyards, historic monasteries, or small villages.

The Riviera and the Var coastline are where most of the mainland islands lie, ranging from rugged conservation areas to inhabited islands with long histories tied to fishing, wine production, and maritime defense.

Îles d’Hyères

The Îles d’Hyères, often called the Golden Islands, sit off the Var coast near the town of Hyères. The group includes three main islands: Porquerolles, Port-Cros, and Île du Levant. All three are part of the Port-Cros National Park, one of the oldest marine parks in Europe, created in 1963 to protect coastal ecosystems and biodiversity.

Porquerolles is the largest and most visited. It’s 7 kilometers long and 3 kilometers wide, with a small village, vineyards, eucalyptus groves, and long sandy beaches on the north coast. The south coast is steeper, with cliffs and hiking trails. Cars are banned. Visitors arrive by ferry from Hyères or La Tour Fondue and explore the island by bike or on foot.

Port-Cros is smaller and more rugged, with a permanent population of fewer than 50. It’s the most heavily protected of the three, with strict rules on anchoring, fishing, and even swimming in some coves. The island has a few military ruins, an abandoned fort, and over 30 kilometers of hiking paths through dense scrubland and maritime forest.

Île du Levant is largely controlled by the French military, with only the western part open to the public. This area includes the naturist village of Héliopolis, founded in the 1930s. The terrain is steep, with maquis vegetation, rock pools, and narrow paths. The rest of the island is off-limits.

All three islands have limited development and are subject to seasonal restrictions to manage tourism and protect fragile habitats, especially bird and marine life.

Îles de Lérins

The Îles de Lérins sit just off the coast of Cannes in the Bay of Napoule. The group includes two main islands, Île Sainte-Marguerite and Île Saint-Honorat, along with several smaller rocky outcrops. The islands are accessible by ferry in under 15 minutes from the Cannes port.

Île Sainte-Marguerite is the larger of the two. It’s covered in maritime pines and eucalyptus trees planted in the 19th century. The main site is Fort Royal, which served as a state prison and held the unidentified prisoner later known as the “Man in the Iron Mask.” The fort now houses a museum focused on maritime archaeology.

The island also has Roman-era cisterns, coastal batteries from the Napoleonic period, and old water management systems still visible in the landscape. There are no cars. Visitors walk narrow forest trails leading to small coves and stony beaches along the perimeter.

Île Saint-Honorat has been home to a monastic community since the 5th century. Today, Cistercian monks live in the Abbaye de Lérins and manage vineyards that produce wine sold on the mainland. The island also has the ruins of an 11th-century fortified monastery built to defend against Saracen raids. Access is limited to day visitors, and religious services continue year-round.

The Îles de Lérins are situated within a protected maritime zone, and both islands limit visitor numbers during the summer to preserve the natural environment and historic sites.

Les Embiez

Les Embiez is a small island located just off the coast of Six-Fours-les-Plages in the Var department. It covers around 95 hectares and can be reached by ferry in under 15 minutes. The island was purchased in 1958 by Paul Ricard, founder of the Ricard pastis brand, who developed it with a focus on conservation and marine research.

The coastline is rocky, with small inlets, pebble beaches, and walking paths that circle the island. Inland, there are vineyards, pine woods, and areas of low scrub typical of the Mediterranean maquis. The island has a working port, a few shops, and an aquarium that forms part of the Institut Océanographique Paul Ricard, which studies local marine ecosystems.

Les Embiez is known for its efforts to limit traffic and light pollution. Cars are restricted, and most visitors explore on foot or by bike. The island supports both permanent staff and seasonal tourism, with facilities designed to have minimal environmental impact.

Its waters are protected as part of a Natura 2000 zone, and the surrounding seabed includes seagrass meadows, small reefs, and fish nurseries. Local rules ban fishing in key areas and limit boating to preserve marine biodiversity.

Île Verte

Île Verte is a small island just 400 meters off the coast of La Ciotat in the Bouches-du-Rhône. It’s the only wooded island along this part of the Mediterranean coast and is accessible by a short ferry ride or kayak. The island covers about 12 hectares and is uninhabited.

The terrain includes pine forest, rocky cliffs, and old military remains. In the 19th century, the island was fortified with three batteries that are still visible, including Fort Saint-Pierre, which overlooks the mainland.

Marked trails allow visitors to walk around the island in under an hour. There are no facilities except a seasonal café and a few mooring spots. Snorkeling is popular along the southern shore, where the water is clear and sheltered from the wind. The rest of the island is steep and exposed.

Due to its size and status as a protected area, access is regulated during summer months to prevent erosion and fire risk.