For the last 6 years Korsør hosted tourists from 9 cruise ships. The town is situated around a harbour which for centuries has been an important part of its inhabitants' daily life. To move from the southern part of the town to the northern, or vice versa, citizens have to pass over a bridge which at certain times of the day will be raised in order to let ships in or out of the fiord. Boats, vessels, merchant ships and the occasional cruise liner are regular visitors.
A unique bird sanctuary, "Lejeodden", is located a short distance northwest of the town where the waters of the Baltic Sea and the Kattegat meet and the road leads to the suspension bridge across the Great Belt. An attractive beach, meadows and a lake give rest to a variety of shorebirds representing most of the common species of Denmark which often appear in large numbers although rarities also turn up.