Marinette's Nestegg Marine and Manitowoc Marina have joined forces to offer truly professional and personalized marina services on both Green Bay and Lake Michigan. More than just a marina, Nestegg is a boating community Our goal is to make sure your valuable boating time is fun, safe and hassle-free. Let industry veteran, Rich Larsen, show you why we are Northeast Wisconsin's perfect home away from home for you and your boat. Northeast Wisconsin's Dealer for Catalina, Mercury and many other well known marine brands.