Carnival World & Seafood Buffet: Tour + Money Saving Tips! Leave a Comment A review of the Carnival Seafood Buffet at the Rio. I discuss cost, what to expect, and some money saving tips at the end. source FacebookTwitterGoogle+Pinterest Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.