Two boats (max. 11 pax) offer one hour cruises (200/100Kč) with commentary in various languages around Karlův most with indoor and outdoor seating, heating and blankets for chilly days, refreshments (.5L beer for 50Kč) ever half hour from 11:00 to 21:00 (17:30 in the winter). Private rental is 2,000Kč for the first hour, 1,500Kč for successive hours.