The invention provides a yacht which is excellent in drainage performance and comprises a
hull, a main
deck, a fly bridge, an inner cabin and a drainage
system. The inner cabin is arranged between the main
deck and the fly bridge, the fly bridge comprises a fly
bridge deck, a fly bridge access and a driving
station, the inner cabin is connected with the fly bridge access by
stairs, the drainage
system comprises under-stair water collecting grooves, a first floor drain, a second floor drain, drainage ditches, a third floor drain, a fourth floor drain, a
fifth floor drain and a sixth floor drain, the under-stair water collecting grooves are arranged on the
stairs, and the drainage ditches are arranged
on the fly bridge and are positioned at the front of a driving cabin. The yacht has the advantages that the floor drains are arranged on both the fly bridge and the main
deck, and after falling on the yacht, outdoor rainwater can be instantly drained without remaining on the yacht, flowing around the yacht or flowing into the inner cabin; the under-stair water collecting grooves are arranged on back surfaces of the
stairs, and accordingly water falling on the stairs is prevented from affecting the inner cabin; and the yacht is reasonable in design, convenient to manufacture and high in practical applicability and popularization value, and the floor drains and a drainage device are positioned reasonably.