On the east coast is Macinaggio Bay, including a marina of 585 moorings for pleasure boats (of which 255 are for transients and the others for wintering over), a nautical club and a diving school.

The northeast corner of Cap Corse is accessible only by a footpath, the Sentier des Douaniers, heading north from the Plage de Tamarone.

To the northwest the path traverses the Site Naturel de la Capandula with its sandy beaches and descends finally to the small fishing village of Barcaggio, which is also reached by a winding road.

Off its coast is the island of Giraglia, the site of another Genoese watchtower and a modern (from an ancient) lighthouse marking the location of Cap Corse.

In one deposit of the Last glacial period, a tumulus of crania and antlers of Cervus cazioti and various lagomorphs, rodents and other remains have been found with pebbles that could be interpreted as flakes and cores, fireplace sites and an ovate structure; that is, the most likely interpretation is that this is a site of the Middle Paleolithic, the first evidence of Early Stone Age occupation.

At the top of the promontory of Trois Pointes on which the hamlets of Rogliano are located, at a height of 603 meters (1,978 ft) is a tower and the remains of Castle Da Mare, home of a Genoese family that ruled the region from the 12th to the 16th centuries.

In 1523, the Genoese nobleman, Marchese Francesco Negrone, Protector of the Bank of Saint George, married Giorgetta, the daughter of Giacomo-Santo da Mare, reigning Signor di San Colombano.

However, in 1552 King Henry II of France annexed Corsica and in the resulting struggle Signor Giacomo-Santo da Mare di San Columbano brought forces to fight for Sampiero Corso, a Corsican in the employ of the French.

Another account has her the co-Signor with Giacomo-Santo II, an unlikely scenario, as hereditary offices on Corsica were not generally split and the society was partilineal and patriarchal even though women were allowed to vote and to participate in the military.

The most likely explanation is perhaps that in addition to burning the castle the Genoese disenrolled the traitor from his position and made Negroni Signor instead as husband of the next heir in line, Giorgetta.

The Negrone's perhaps because of their isolated location appear to have escaped the terror and resulting massacre that fell on the nobility of France and they even kept their property on the hill but they were no longer signorial.

Those who became wealthy excavating for gold or planting and exporting coffee and sugar returned to Cap Corse to build colonial-style summer homes, now called the maisons d'Américains ("American houses").