Hemmings Find of the Day – 1957 Cadillac Eldorado Biarritz Bahama Blue 1957 Cadillac Eldorado Biarritz for sale. From the seller’s description: Only 1800 Cadillac Eldorado Biarritz were created in 1957. The Biarritz convertible comes with a 365 ci engine tha...