A low-aspect fin (wide but not too deep) is required on this big yacht to minimize draft; otherwise the fin would project beneath the keel. High-aspect fins (narrow and deep) are more efficient, because of their longer leading edge, but not always practical.
The Maritimo M65 was designed to withstand the rugged marine environs surrounding her Australian home. But those excellent seakeeping qualities should pay off wherever she may roam. See what we mean here. ▶