Château de Costaérès in Photos
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A view of the castle from a forested path.
The stone-floored foyer.
An arched entryway connects the living room to a dining area.
The light-filled formal dining room features a massive fireplace.
There are panoramic coastline and ocean views from throughout the castle.
Terraces add to the charm.
The heated swimming pool has a stunning, boulder-framed view.
An aerial view of the French island, which can be accessed at low tide on foot or by a 4×4 vehicle.