A method comprising the steps of: coordinating control of a floating wind turbine between a wind turbine controller and a platform controller; wherein coordinating control comprises receiving and/or transmitting data between said wind turbine controller and said platform controller, wherein said data is indicative of one or more factors relating to a wind turbine and/or a platform of said floating wind turbine; altering one or more wind turbine control systems and one or more platform control systems based on said coordinated control of said floating wind turbine; wherein altering wind turbine control systems and platform control systems based on said coordinated control comprises determining said alteration to said wind turbine control system based on at least data indicative of one or more factors relating to said platform; and determining said alteration to said platform control system based on at least data indicative of one or more factors relating to said wind turbine; wherein the method further comprises the steps of: receiving at said wind turbine controller data corresponding to a wind speed and wind direction measurement; coordinating control of said floating wind turbine by transmitting said data corresponding to said wind speed and wind direction to said platform controller; and altering a ballast system of said platform by said platform controller based on said received data corresponding to said wind speed and wind direction. coordinating control of a floating wind turbine between a wind turbine controller and a platform controller; wherein coordinating control comprises receiving and/or transmitting data between said wind turbine controller and said platform controller, wherein said data is indicative of one or more factors relating to a wind turbine and/or a platform of said floating wind turbine; altering one or more wind turbine control systems and one or more platform control systems based on said coordinated control of said floating wind turbine; wherein altering wind turbine control systems and platform control systems based on said coordinated control comprises determining said alteration to said wind turbine control system based on at least data indicative of one or more factors relating to said platform; and determining said alteration to said platform control system based on at least data indicative of one or more factors relating to said wind turbine; wherein the method further comprises the steps of: receiving at said wind turbine controller data corresponding to a wind speed and wind direction measurement; coordinating control of said floating wind turbine by transmitting said data corresponding to said wind speed and wind direction to said platform controller; and altering a ballast system of said platform by said platform controller based on said received data corresponding to said wind speed and wind direction. receiving at said wind turbine controller data corresponding to a wind speed and wind direction measurement; coordinating control of said floating wind turbine by transmitting said data corresponding to said wind speed and wind direction to said platform controller; and altering a ballast system of said platform by said platform controller based on said received data corresponding to said wind speed and wind direction.