Welcome to Gruninger's Performance Marine
Clark Gruninger of Gruninger's Performance Marine, Inc. is the largest High Peformance boat dealer in the midwest. We have been selling High Performance boats for over 30 years. Our reputation is based on service as well as sales.
We stock both new and used performance boats. Gruninger's full line of V-botttoms and Catamarans offer performance and luxury with manufacturers such as Nordic Boats, Marine Technology and Godfrey Marine.
Based in Pontoon Beach, Illinois (just 15 minutes from St. Louis, Mo.) We are easily accessible from all major highways. Our performance service center can maintain or upgrade your present boat regardless of the brand. We specialize in total performance, not just top speed.
For more info on our new or preowned models, call (618)797-BOAT(2628) or (314)899-1990 or go to the Boat Store section of this Web Site.
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Sanpan
Aqua Patio
Sweetwater
Hurricane
Polar Kraft
Nordic Power Boats
MarineTechnology
Eliminator
Mercruiser
Mercury
Yamaha