Watersportvereniging De Lek (WSV De Lek) is a sailing and boating club situated on the Lek at Westzoom 9A in Krimpen aan de Lek, in the Zuid-Holland province of the Netherlands.

The marina offers 82 berths, all equipped with shore power, and accommodates a range of vessel types including motorboats, dinghies, and sailing boats. The club has approximately 160 members.

Visiting boaters are welcome as transient guests, with berth assignments handled by the harbourmaster. The club's floating clubhouse, known as De Ark, serves as the social hub of the association and houses toilet, washbasin, and shower facilities.

Kinderdijk, the UNESCO-listed windmill village, lies directly across the Lek and is reachable by ferry.