The Westeinderplassen are a complex of lakes belonging mostly to the territory of Aalsmeer, Netherlands. Their total area is about 10 km2, making it the largest freshwater body of water in the Randstad area.GeographyTowns situated on the lakefront include Aalsmeer, Kudelstaart, Leimuiden, and Rijsenhout.The northern part in particular contains hundreds of small islands. Many of these are privately owned and can only be reached by boat.EconomyThe northwestern part of the lakes connect directly to the Ringvaart, which sees significant commercial shipping. The bulk of the lakes, though, are used mostly for recreational boating.