Motoryacht Only one is a modern designed yacht where all the details are considered and where you can have a good time during your holiday. It is a motor yacht that you should definitely consider on your blue cruise journey. 4 cabins in total; It has 1 master, 3 double cabins. Its length is 24 meters. There are 3 crew members on our Turkish-flagged blue cruise service. Your team will be happy to assist you in every way during your blue cruise.