- Stock #110161 - Excellent for The Skinniest Water Only 6" Deep, Deck Redone and Motor Rebuilt If you are in the market for a flats boat, look no further than this 1990 Shoalwater 18, priced right at $16,000 (offers encouraged). This boat is located in Essex, Maryland and is in good condition. She is also equipped with a Mercury engine that has only 1 hours. We are looking for people all over the country who share our love for boats. If you have a passion for our product and like the idea of working from home, please visit SellBoatsAndRVs [dot] com to learn more. Please submit any ... read more