A fin plug for installation in a water craft, said fin plug including: a first open cavity adapted to receive a base portion of a water craft fin; and, a resilient biasing rod and a protruding member cooperating with the biasing rod, said protruding member being adapted to abut the base portion of said fin when received in said first open cavity; wherein said biasing rod and protruding member are adapted to apply a force to the base portion of said fin to inhibit removal of said fin from said first open cavity. [Figure 1] £-1 FIG- IA31
