The Romantic Hotel Mlyn Karlstejn is located in the picturesque landscape of Česky Kras protected area, on the banks of the river Berounka below medieval Karlstejn Castle, 25 km from the centre of the capital Prague and 15 km from the Vaclav Havel Airport in Prague. 

The Romantic Hotel Mlyn offers accommodation in stylish rooms, Grill restaurant with summer terrace and air-conditioned conference lounge. Car park with charging station for electric vehicles. The hotel complex includes a 2,500 m2 island with a romantic wedding gazebo, grill and marquee.

The first record depicting farm with a water-mill, situated on the right bank of the Berounka River, dates back to year 1263. In the 14th century, the farm became part of the Karlstejn manor. The water-mill included a blacksmith shop and tower dovecot located in the middle of the yard, which survived until today. The mill operated until year 1949.

From year 1990 the building served as a hotel. In year 2002 it was completely renovated, rooms along with restaurant were rebuilt and modernised. In August 2002, the hotel was damaged by disastrous 500-year floods and it was reopened again in May 2003.