A bee hive bottom board system for receiving a hive body includes a 3-sided rectangular frame having a right side, a left side and a rear side, each side having a top surface and an inner surface, the top surface defining a frame plane; a drain edge positioned within the frame about the inner surface, the drain edge having a top surface defining a drain edge plane set below the frame plane; and two adapters having a support component and a flange component, the flange component of each adapter positionable along the inner surface of one of the right side and left side of the frame and mateable with the upper surface of one of the right side and left side of the frame. When mated with the frame, a top surface of the adapter is substantially flush with the top surface of the frame.