If you want the fastest personal sailboat in the world, you might want the Maltese Falcon. It cruises along the ocean with 57 meter tall masts and a pretty much commands authority. However, at $100 million, it isn't meant for everyone.
The Press Release noted, "she is destined to become the largest and fastest personal sailing boat in the world. She also represents the successful completion of a multi million pound engineering and design project by Insensys, a company leading the world with its innovative expertise in fibre optics sensing and composite technology."