The adult-only Castelli Hotel is situated at Agios Sostis, a tranquil location of Laganas bay, in Zakynthos. This hotel offers a pool with hydromassage, along with complimentary sun beds and umbrellas. Castelli Hotel is within walking distance from the 9-km sandy beach of Laganas, one of Mediterranean's longest beaches, where the Caretta Caretta sea turtles lay their eggs. The hotel offers spotlessly clean, light-coloured guestrooms appointed with wooden furniture. Each has a balcony or terrace with views of the olive groves and the hill, or the pool and the horizon of the sea. Free WiFi is available throughout. The hotel bar and veranda overlook the inviting pool. The daytime snack bar serves delicious dishes, traditional Greek snacks and refreshing drinks.