[1][2] The village is located at the north of its castle seat, and its main road is via Ca' dei Lunghi.

Cailungo is the seat of the Sanmarinese State Hospital (Ospedale di Stato di San Marino) and the State Agency for Public Services of San Marino (Azienda Autonoma di Stato per i Servizi Pubblici).

The local football team is the Cailungo.

The church, Oratorio di San Rocco, was originally built in connection with a plague in the Middle Ages in honour of San Rocco.

The interior has an oil on canvas painting of Madonna and Child and St. John the Baptist dated to 1594.