'De Plas' is the spot to enjoy various kinds of watersport:

Surfing, Stand Up Paddling (Sup), sailing, model sailing and diving
http://vvwkelchteren.be

Surfing, Stand Up Paddling (Sup), kayaking and rafts building - teambuilding
http://www.waclimburg.be

Facilities

Parking within a radius of 100 m?