The original town settlement lies on the shores of the lake and is off the main traffic artery. Characteristic are the narrow internal streets and its vast square on the lake.
The Sassalto a mountainous peninsula dominates the village and it is a natural environment protected by the Swiss Confederation on account of its interesting geological, faunal and botanical characteristic. The area around Caslano is disseminated with panoramic paths between lake and mountains and the village is full of charming churches and ancient buildings.
Museum goers may visit the Fishing Museum, one of three in Switzerland, a camera exhibition of the Vincenzo Viccari Foundation and the Chocolate Museum, that gourmands of all ages will absolutely love. Sports lovers will also be pleased: in fact in Caslano and its surrounding area all kinds of sports may be practice from tennis to golf, from horse-riding to swimming, from sailing to windsurf.