Latest M30 Delivered By Princess Yachts; Named "Princess Three" UK builder Princess Yachts announced that it has handed over their latest M30 to its owner. The yacht reportedly bears the name "Princess Three" and represents the sixth unit of that class to be delivered. The M30 is the latest to be added to the Princess M-Class range. This 100-foot Raised Pilot House tri-decker is an spacious yacht that features bold lines that are now synonymous with the Princess M Class design. An owner of the M30 can fit up to five double ensuite cabins that include a main deck master suite. Directly below is a photo of Princess Three, followed by a render and sistership "Kohuba".