Located to the south of Isola di San Pietro, in the gulf between Punta delle Colonne and Punta Geniò, in the municipality of Carloforte.
The beach of Lucaise (or beach of the Lucchese) is a small cove with sandy shore consisting of large-grain sand and pebbles. The cove is surrounded by cliffs and emerging rocks and by small caverns opening out to the east and accessible from the beach.
As well as its colours featuring clear rocks and turquoise blue waters, the beach is also of geological importance.
We can find different lithologies here with a variety of forms and the presence of a fossil geyser. This geological site is easily recognisable by its white rocks which emerge from the grey-coloured vulcanites.
This particular geological structure which is unique to Sardinia, formed after the release of overheated waters and steam from underground sources (hydrothermal processes) in the Early Miocene period (around16 million years ago).
The cove can be reached, after leaving your car in a car park, along a path which stretches over the cliff and drops down to the beach via a flight of steps.
The natural monument of the Colonne can be seen to the east, and the island of Geniò to the west.
The beach with its fossil geyser is legally protected and, as with the entire island, is part of the Sites of Community Importance (SCI) “Isola di San Pietro” (ITB040027).