GS Marine has been serving Southern California for over three decades. We specialize in boat repair and maintenance for all types of boats. Whether it is regular maintenance or the complete refurbishment of your existing boat, GS Marine is your one stop shop. Some of our services include complete marine service, custom and stock installations,engine rebuilds, jet pump blueprinting and hardware, complete fiberglass repair, complete MerCruiser and Volvo outdrive repair. and interior repair and replacement. We also offer new boats from Aftershock Boats, 19' Daytona, Eliminator Boats,Kurtis Kraft, Mirage Deck Boats, Shockwave Boats, SoCal Performance 19' Tunnel, So Cal Performance 19' TPR Tunnel, and Ultra 21' Phantom and Deck Boat. GS Marine is your one stop shop for all your boating needs.