During the Second Northern War (1657–1660), embankments were built along the shore but this did not prevent the Swedes from conquering Lolland in 1658 and attempting to overcome the rest of Denmark.

Nearly all the traffic disappeared from Guldborg in 1988 when the Guldborgsund Tunnel connecting Falster and Lolland opened between Hjelms Nakke and Majbølle.

[4] Facilities in the village include a day nursery, food store, restaurant, activity centre and sailing services.

There are a number of galleries where local craftsmen display their paintings, jewellery, pottery, glasswork and textiles.

Guldborg has an active sports club where some 350 members enjoy gymnastics, volleyball, football and rollerskating.

The bridge straddles a narrow part of the sound with only 30 metres (98 ft) being of navigable width.