A system for transferring oil from an offshore tanker to a platform. The system comprises at least one flexible hose (4) which is adapted to direct transfer of oil from a supply means (7-10) on a deck (2) on the platform (1) to the tanker (58) in question, and a number of hose handling stations (3) which are distributed around the circumference of the platform deck (2). Each station (3) is provided with a coupling unit (15) which communicates with the supply means (7-10) and is arranged for connection or disconnection of an end (11) of the hose (4), and a handling means (18-22, 24, 25) for lowering or hoisting of the house end (11) to/from the surface (5) of the water around the platform (1).