Yes. Only Sulzano to Peschiera Maraglio (Monte Isola), Sale Marasino to Carzano (Monte Isola), Sensole (Monte Isola) to Iseo, Iseo to Sulzano, Peschiera Maraglio (Monte Isola) to Sensole (Monte Isola), Tavernola Bergamasca to Siviano (Monte Isola), Siviano (Monte Isola) to Carzano (Monte Isola) and Sale Marasino to Sulzano sail all year; the other lines are seasonal.