The average price per m² in Le Grau-du-Roi is 5 360 €/m² for an apartment, based on actual notarised (DVF) sales. About 683 transactions are recorded each year.
Illustration of Le Grau-du-Roi, between fishing port and Camargue beaches.
In Le Grau-du-Roi, the average price comes out at 5 360 €/m² for an apartment. This average covers a very particular stock: the municipality has more than 24 000 homes for 8 588 inhabitants, and most of them are holiday homes. The gaps are marked between the small units of the 1970s residences of the Rive Droite, the old buildings of the village around the canal, the villas of Le Boucanet and the marinas of Port-Camargue, where the presence of a private mooring changes the value of a property. The figure comes from the DVF data, that is, transactions actually recorded at the notary (the French notarised sales database), and not from listings.
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 4 552 €/m² in 2021, the average price in Le Grau-du-Roi reaches 5 360 €/m² in 2026, an increase of roughly +18 % over the period.
The Le Grau-du-Roi market is driven first by demand for second homes, on a continuous coast that runs from Le Boucanet to the Espiguette beach. The municipal population has grown little since the 2010s while summer visitor numbers multiply the number of occupants, which sustains steady demand for the small units that can be let by the week for much of the year. This seasonality weighs on the price structure: studios and one-bedroom flats often sell for more per square metre than large homes, and properties close to the beach or the canal stand out clearly from the rest of the stock.
Accessibility and new supply form the second driver. The railway line extended to Le Grau-du-Roi in 1909 is served by TER Occitanie trains from Nîmes, reinforced in season, and the municipality is connected to the A9 by road. On the supply side, construction remains constrained by the risk of marine flooding and by the Coastal Act. The local town-planning plan approved in September 2025 schedules about 775 additional homes, a measured volume against a stock of more than 24 000 homes, which leaves most transactions to play out on the existing stock.
Le Grau-du-Roi sits clearly above the major hubs of its living area, including the Montpellier metropolis and the prefecture of the Gard, and also leads the other seaside markets of the Languedoc coast. The scarcity of buildable coastal land explains a large part of this gap.
The word grau comes from Provençal and means a breach opened in the coastal barrier. The one that gave its name to the municipality formed naturally in 1570, at the place called Gagne-Petit, between the mouths of the Vidourle and the Rhône. A report addressed to Henri IV noted as early as 1598 that it was closing under the action of the sands; the passage was reopened in 1610 and named Grau Henri, before the name Grau-du-Roy took hold around 1630. In 1725, Louis XV ordered a new breach and the digging of a six-kilometre channel linking Aigues-Mortes to the sea, completed in 1745 after the construction of two stone-built jetties in 1727 and 1728.
The village long remained a simple fishermen's hamlet attached to Aigues-Mortes. The channel was straightened in 1845 to form the present canal, and the Espiguette lighthouse was built in 1869. The inhabitants asked for their independence in 1870: it was granted by the decree of 18 July 1879, which created the municipality of Le Grau-du-Roi. A bridge linking the two banks was built from 1897 and the swing bridge was brought back into service in 1902. In 1909, the extension of the railway line from Aigues-Mortes opened up the village, which was classified a climatic and seaside resort by a decree of 26 April 1924.
The municipality shifted to another scale after the war. The bridge was destroyed by the German army on 24 August 1944, the day before the town's liberation. In the 1960s, the Racine coastal-development mission entrusted the architect Jean Balladur with the design of Port-Camargue, whose works began in 1969; a second phase was launched in 1980 and the initial plan was completed in 1985. The marina reaches about 5 000 berths and 172 hectares, with its marinas where homes have a mooring right in front of the door. The trawl fishing port, built in 1971, remains in operation. This dual history, fishing and boating, explains the present shape of the town.
According to INSEE, Le Grau-du-Roi has 8 588 inhabitants for about 24 100 homes, of which 79 % second or occasional homes and only 20 % main residences. The stock is almost entirely flat-based: apartments represent nearly nine homes in ten. Buyers are therefore mostly buyers of second homes, often from Nîmes, Montpellier, the Rhône valley or the Paris region, who look for a studio or a one-bedroom flat close to the beach, sometimes a home with a mooring at Port-Camargue. Year-round residents are in the minority but largely owners: according to INSEE, 59,7 % of households occupy their main residence as owners.
The average price recorded in Le Grau-du-Roi is 5 360 €/m² for an apartment. It is calculated from the sales actually recorded in the DVF database, fed by notarial deeds, and not from listings. This level reflects a seaside market where almost all the properties sold are holiday homes. Depending on the area, the view, the floor level and the presence of parking or a mooring, the gap with this average can be large for a specific property.
The municipality reads as four sets. The Rive Gauche, historically the neighbourhood of the Calabrian fishermen, concentrates the old buildings of the village and the shops along the canal. The Rive Droite, developed later, lines up residences from the 1960s to the 1980s close to the beach. Le Boucanet, on the edge of La Grande-Motte, mixes villas and small blocks. Port-Camargue, to the south, brings together the marinas and the boating homes.
Port-Camargue was launched in 1969 as part of the Racine mission, on plans by the architect Jean Balladur. The marina today has about 5 000 berths, which makes it one of the largest marinas in Europe. Its particularity lies in the marinas: the home has a private mooring at the foot of the terrace. This mooring is transmitted with the property and weighs heavily on the price, which makes comparison per square metre of little meaning in this area.
The municipal council voted the surcharge on the municipal share of the residence tax on second homes at the maximum authorised rate of 60 %, with the aim of encouraging owners to let year-round to local working people. With about 79 % of second homes in the stock according to INSEE, the measure concerns the vast majority of homes. A buyer who does not establish their main residence on site must factor this annual charge into their budget.
No. The municipality, the only one in the Gard to border the Mediterranean, has a territory almost entirely exposed to the risk of marine flooding, governed by a flood-risk prevention plan. The Coastal Act limits the extension of urbanisation and the natural areas of the Espiguette are protected. The local town-planning plan approved in September 2025 provides for on the order of 775 additional homes. Check the zoning and the rules applicable to the plot before any purchase or works plan.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).