A bunk mounting system for a watercraft lift comprising a first support defining first and second legs, a second support defining third and fourth legs, and first and second bunks. The bunk mounting system has first and second crossbeams, pivot connectors, and rail connectors. The pivot connectors pivotably connect the first crossbeam to the first and second legs and the second crossbeam to the third and fourth legs. The rail connectors detachably connect the first bunk to the first and second crossbeams and the second bunk to the first and second crossbeams.