Keys Fisheries is a popular seafood restaurant, market, and marina located in Marathon, Florida. They serve fresh seafood daily and offer overnight delivery of fresh Florida seafood. The restaurant is open seven days a week and offers a menu of local specialties and signature dishes prepared with a Florida Keys flare. The market sells fresh seafood such as grouper, snapper, and mahi-mahi, as well as conch fritter mix and Key Lime pie. Guests can also visit the on-site marina for dockage or rent boats. Keys Fisheries also has an online store where customers can purchase fresh seafood including Stone Crab claws and Florida Lobster tails. They also offer pre-made soups and other seafood products. Overall, Keys Fisheries is a beloved destination for delicious seafood in the heart of the Florida Keys.