Muscle Princess's castle
Name	Muscle Princess's castle
Type	Castle
Location	Land of Ooo
Notable inhabitants	Muscle Princess

Muscle Princess's castle is a small castle inhabited by Muscle Princess located in the forest near the tree of Mrs. Yoder. So far, its appearance is in "To Cut a Woman's Hair." It is unknown whether this castle or the area surrounding it is part of Muscle Princess's kingdom, or if there are any other inhabitants besides Muscle Princess. Her bedroom in her castle is seen in "Princess Monster Wife."