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Located northwest of the urban center of the town of Port de la Selva, in the Bay of Port de la Selva, on the point of s'Arenella. The s'Arenella lighthouse does not belong, like most of the lighthouses on this coastline, to the reign of Queen Isabel II. It was designed in the plan for the reform of the lighting of coasts and ports in 1904.
, a Neolithic settlement, reveals a glimpse into ancient urbanism and cabins. The site, spanning 800 m², showcases well-preserved remnants of sub-rectangular houses forming a 'U' shape, an isolated oval cabin, and traces of communal life. The oval cabin, measuring 10 x 7 m, likely served as a communal hub for cooking and essential activities. Archaeological phases, from the early to late Neolithic, reveal evolving structures and cultural artifacts. Nearby, the Serra de Rodes and Cap de Creus boast a concentration of dolmens, illuminating the region's megalithic heritage. Ca N'Isach offers a remarkable window into Neolithic life, with a rich history spanning millennia.