The Orlando Nautical Flea Market and Seafood Festival will take place July 20-21, from 9 a.m. to 6 p.m. at the Central Florida Fairgrounds W Colonial Dr. Orlando, FL 8.The July 21 auction of boats and watercraft is one of the top highlights scheduled for the Orlando Nautical Flea Market and Seafood Festival taking place in Orlando Florida at the Central Florida Fairgrounds. Internet and live bidding during the boat auction will be provided. Over 100 boat repossessions, short sales, dealer trades, and private liquidations will be up for sale. The auction boat preview is all day July 20 and the sale starts at 11