Yes, there are a few 6'5" deep draft C&C30 Mk.II s out there. Hulls #17, 18 and 25 are ones I have measured at that depth (they are all '87), as is another in my club that I haven't got the hull number for. C&C really messed up on the brochure with 5'10 as I have not found one that shallow. We have an shoal draft at the club, another '88 - Making Waves, and it is consistent with Allan's measure of it.
If you need anymore info, please let me know.
Owen - Stowaway V #25