Yes, it's extremely unlikely that these are the same boats.. someone mentioned Herreshoff, and 1920s, and "Ventura" and it so happened this popped up. I'm thinking the OP can check the owner list and eliminate this one from his hunt.
To my eye the original pic doesn't bring old Nat to mind.... but I'm not sure.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)