Watersportvereniging Waalwijk is a sailing club and marina located at Jachthaven De Langstraat in Waspik, within the municipality of Waalwijk.

The harbor offers 175 permanent berths and 10 visitor berths, with electricity and drinking water available at the docks. Additional services include boat storage over winter and an active club community.

The marina is directly accessible from the Bergsche Maas and sits roughly three kilometers from the center of Waalwijk. Waterways including the Afgedamde Maas and the Maas are reachable within an hour, making it a well-positioned base for cruising the region.

Day trips by water to Nationaal Park De Biesbosch are a popular option, and the surrounding area offers access to natural areas such as the Loonse en Drunense Duinen.