Mooring device and a floating unit comprising at least one mooring device

There is disclosed a mooring device (10) comprising an attachment unit (66) for mooring of a floating unit (110) to a floating or non-floating structure (125). The mooring device (10) comprises a first mooring arm (12) and a second mooring arm (20) for transferring and/or absorbing forces and energy that arises when the floating unit (110) moves relative to the floating or non-floating structure. There is also disclosed a floating unit and a floating or non-floating structure comprising one or more such mooring devices (10).