A marine surface vessel includes an air ventilated hull, and a deck, where the vessel includes at least one air conduit leading to at least one ventilation opening beneath a waterline of the vessel. The at least one air conduit is arranged to guide air to the at least one ventilation opening, where the deck is at least party surrounded by a gunwale, where the at least one air conduit is arranged to guide the air from at least one water drainage opening arranged to drain water from the deck.