Pekelharinghaven is a marina in Medemblik, situated on the IJsselmeer in the Netherlands, at approximately 52°46. 3'N, 5°06. 8'E.

It is one of three harbours in the town and serves as a popular stopping point for sailors cruising between the southern IJsselmeer and destinations such as Texel.

The marina offers basic facilities including electricity, water, showers, restrooms, fuel, and Wi-Fi. The harbour sits within easy walking distance of Medemblik's town center, the historic Kasteel Radboud, and Queen Emma Park.

Kasteel Radboud dates to the 13th century, when it was built over an earlier fortification by the Counts of Holland, and today functions as an events venue. The surrounding town provides additional amenities for visiting sailors.