Jachthaven De Welle is a marina and waterfront access point located in Heerenveen, Friesland, at coordinates 52° 58. 79' N, 5° 53. 41' E.

Situated along Wetterwille 35, it serves as a mooring and stopover destination for recreational boaters exploring the waterways of Friesland. The site also accommodates motorhomes, with paved camper pitches overlooking an active harbor.

The marina is particularly lively on charter changeover days. Bicycles are available to borrow, making it a convenient base for exploring the surrounding area, including the nearby Oranjewoud. The city center of Heerenveen lies roughly 4 kilometers away.