Kaatje bij de Sluis is a restaurant located in Blokzijl, Netherlands.

It is a fine dining restaurant awarded one or two Michelin stars from 1978 until the present time, with the exception of 2005.

[3] The predecessor of head chef Peter Postma was André Mol, who was responsible for the two Michelin star rating.

[4][5] Kaatje bij de Sluis is a member of Alliance Gastronomique Néerlandaise.

The name points to the legend of "Kaatje", a girl who at a young age assumed leadership over the kitchen of the inn "In den Gouden Walvisch".