Skûlenboarch (Dutch: Schuilenburg) is a hamlet in Tytsjerksteradiel in the province Friesland of the Netherlands.

The hamlet lies south of Jistrum, every house north of Prinses Margrietkanaal [nl] falls officially under Jistrum.

The houses south of the canal are officially part of Eastermar.

The Joost Wiersmawei(road) connects the hamlet with Jistrum and a cycling path connects the yacht harbour with Skûlenboarch.

It is located east of the Burgumer Mar, at the entrance of the Kolonelsdiep [nl].