Kaap Hoorn is a beachclub situated on the shore of the Hoornsemeer, on the southern edge of Groningen. It offers a relaxed, beachy atmosphere alongside the lake, making it a popular spot for both leisure and dining.

The venue serves freshly prepared food for lunch and dinner, and also hosts events such as BBQ and grill evenings, cocktail workshops, and waterside parties.

It is one of several dining destinations around the Hoornsemeer and nearby Paterswoldsemeer, and can be reached from Groningen city center by public transport.