I love Disney, but I must say what I had at the Seafood buffet that was an excuse for shushi on the Magic was terrible!
And thats different than land based sushi
how
--- steak tar-tare
--> equally gross 
DOCTORRICK said:I've talked to cast members about this. Although there are rolls of various kinds, there are no raw fish rolls. Apparently Disney has a no raw fish policy (liablity reasons). In fact the "raw bar" at the fish place in disney marketplace has no raw fish, just cooked oysters, shrimp etc. There is one exception on Disney property that I am sure of: the California Grill. Also I wouldn't be surprised if Victoria and Alberts, Flying Fish and maybe Citricos have raw fish at times.