De Merenburger is a marina situated on the Meerburger Wetering in Leidschendam, offering moorings for approximately 100 boats with a maximum length of 8 meters and a maximum clearance height of 1. 55–1. 60 m.

The facility also offers boat trailer and motorcycle trailer rental. From De Merenburger, paddlers and boaters can reach the recreation area Vlietland in about 900 meters.

Leiden city center is roughly an hour away by water, while the Kagerplassen (De Kaag) and The Hague are reachable in approximately 1. 5 hours. Connections via the Rijnschiekanaal (De Vliet) open up broader sailing routes across the Netherlands.