Since 1971, American Discount Marine in St. Petersburg, FL has been your boating supply and boat trailer part headquarters. Visit us today and see for yourself how a large inventory and a friendly, knowledgeable staff makes all the difference! We carry a full line of boating supplies from signal flares to anchors, and everything you need in between. Over the years, our 6000 square foot retail space of boating supplies, boat trailer parts and utility trailer parts has easily become the largest in Pinellas County, and possibly the largest in West Central Florida.