The average price per m² in Les Sables-d'Olonne is 4 958 €/m² for an apartment, based on actual notarised (DVF) sales. About 450 transactions are recorded each year.

Mood illustration of Les Sables-d'Olonne, on the Vendée coast.
The average price recorded in Les Sables-d'Olonne stands at 4 958 €/m² for an apartment. That average covers a territory that has grown wide since the merger of 2019: the seafront of the Remblai and the old centre, where the view over the Grande Plage pulls values upwards, the fishing village of La Chaume on the other bank of the channel, and the districts of detached houses inherited from Olonne-sur-Mer and Château-d'Olonne, more affordable and further from the shore. These values come from the DVF database, which records the transactions actually registered with notaries.
Prices from the DVF file (Demandes de valeurs foncières, published by the DGFiP), transactions actually recorded at the notary at municipality level. Cross-referenced with the Notaires de France - INSEE indices. Learn more about our methodology.
After 4 717 €/m² in 2021, the average price in Les Sables-d'Olonne reaches 4 958 €/m² in 2026, roughly +5 % over the period.
The first engine of the Sables market is demographic. According to INSEE, the population grew by around 2 % a year between 2017 and 2023, growth driven entirely by new residents arriving, since the natural balance is negative. In other words, the town gains inhabitants because people come to settle there, often in the second half of their career or in retirement, and not through births. That dynamic sustains continuous demand for main residences, even as the stock available year-round shrinks under the effect of second homes and holiday lets.
The second engine is the constraint on land. The shoreline is protected by the loi Littoral, France's coastal planning act, the marshes and the state forest of Olonne border the municipality, and urban expansion shifts onto the former territories of Olonne-sur-Mer and Château-d'Olonne. The local economy remains seasonal, resting on seaside tourism, the fishing port and its auction hall, boating and the start of the Vendée Globe every four years, which gives the town international visibility. Competition between permanent housing and tourist accommodation is the main issue of the coming years.
Les Sables-d'Olonne sits in the upper part of the coastal market between the Loire and the Charente, a little above La Rochelle and far ahead of La Roche-sur-Yon, the neighbouring prefecture with no seafront. The municipality remains behind Pornic, the most highly valued resort in this comparison.
The harbour of Les Sables-d'Olonne came into being at the start of the thirteenth century among the dunes, as the older havens of the bay silted up: its foundation is dated to 1218. The name refers to Olonne, then the dominant town, from which Louis XI detached Les Sables in 1472 to make it the main port of the area. The neighbouring parish of La Chaume, a fishing village set on the other bank of the channel, was administratively attached to it in 1754. During the war of the Vendée, the town was the scene of two battles in 1793, which it went through on the republican side, unlike its insurgent hinterland.
The seaside turning point came in the nineteenth century. The promenade sea wall of the Remblai, raised to protect the town from the assaults of the ocean, became the artery of holiday life, lined with hotels and villas facing the Grande Plage. The arrival of the railway in 1866 set off urban expansion to the north and brought the resort within reach of travellers from Paris. From 1898 to 1925, a tramway linked the casino to the station and shaped the movements of bathers. After 1930, building spread to the east of the municipality, then the 1960s brought the first large residential districts and the continuous silhouette of the seafront.
On 1 January 2019, under a prefectural order of August 2018, Les Sables-d'Olonne, Olonne-sur-Mer and Château-d'Olonne merged into a new municipality; the delegated communes were abolished as early as 4 February of the same year. The town went from a narrow coastal strip to a territory of around 86 km² and became the second municipality of the Vendée behind La Roche-sur-Yon. That merger explains the present shape of the market: a dense seaside centre, a fishing port with its auction hall alongside a marina, and vast districts of detached houses set back. Since 1989, the channel has hosted the start of the Vendée Globe every four years.
In Les Sables-d'Olonne, two markets overlap. According to INSEE, France's national statistics institute, the municipality has 49 603 inhabitants and 43 357 dwellings, of which 61,3 % are main residences and 35,3 % second or occasional homes: more than one dwelling in three is therefore not occupied year-round, a proportion characteristic of Atlantic seaside resorts. The vacancy rate remains low, at 3,4 %. Again according to INSEE, 65,7 % of households own their main residence. Buyers divide between retired and semi-retired people who have come to settle on the coast, working families of the conurbation, and second-home purchasers from Nantes, the Paris region or the west of France, leaning rather towards apartments close to the seafront.
The average price recorded for an apartment in Les Sables-d'Olonne is 4 958 €/m². That amount is calculated from the DVF database, which records the sales actually registered with notaries, not from listings. It is a municipal average: your property may depart markedly from it depending on the distance to the beach, the view, the storey and the general condition of the dwelling.
The seafront remains the most highly valued segment: the Remblai and its immediate surroundings, where the view over the Grande Plage is paid for, then the old centre and the streets close to the harbour. La Chaume, a former fishing village set on the other bank of the channel, keeps a solid standing for its character and its narrow streets. The sectors inherited from Olonne-sur-Mer and Château-d'Olonne, more given over to detached houses and set back from the shore, sit below the municipal average.
The station of Les Sables-d'Olonne is the terminus of the line coming from Nantes via La Roche-sur-Yon. It is served daily by regional trains of the Pays de la Loire and by direct high-speed services to Paris-Montparnasse. By road, the link runs along the RD 160 to La Roche-sur-Yon, then the A83 towards Nantes or Niort. That rail accessibility counts for a great deal in second-home demand.
The decree of August 2023 extended the list of municipalities classified as high-pressure housing zones to the coastal resorts, and Les Sables-d'Olonne is one of them. The municipality may therefore vote an increase in the residence tax on second homes, up to a limit of 60 %, as well as a tax on vacant dwellings. That taxation directly concerns the third of the stock not occupied year-round.
The two markets coexist but do not target the same buyers. The apartments of the seafront and the centre are aimed above all at second-home buyers and retired purchasers, sensitive to the view and to the distance from the beach. Houses, more numerous in the sectors of Olonne-sur-Mer and Château-d'Olonne, answer year-round family demand. The benchmark price shown on this page concerns apartments, the most homogeneous segment.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).