| Multihull Ratings: OMR Ratings (Thailand) |
| Phuket Multihull Championship July 15-17, 2011 |
| The Bay Regatta - Phuket, Phang Nga, Krabi February 9-13, 2011 |
| Yacht Name | Design | Owner/Skipper | Flag |
| FireFly | |||
| Voodoo | Ian Coulson | Thailand | |
| Moto Inzi | Roger Kingdon | Thailand | |
| Twin Sharks | Mark Pescott | Thailand | |
| Team Land & Houses | Rob Meizer | Thailand | |
| The Frog | Chris Jongerius | Thailand | |
| Mamba | Robert van Paridon | Thailand | |
| Pink Lady | Andrew Marshall | Thailand | |
| Racing Multihull | |||
| Miss Saigon | Corsair C37RS | David Liddell | Thailand |
| Silk Purse | Formula 28 (modified) | Merv Owen | Thailand |
| Sidewinder | Alan Carwadine | Alan Carwadine | Thailand |
| NiƱa | Andaman Cabriolet | Bob Mott / Grenville Fordham | Thailand |
| DaVinci | Andaman Cabriolet | Thailand | |
| Shanghai Baby | Corsair 28 | Neil Ayre | Thailand |
| Fong Chin | Corsair | Lee Eng Khiam | Thailand |