Marina Shores at Dune Harbor, located in Portage, Indiana, is Northwest Indiana’s Premier Marina and Residential Waterfront Development. Just 30 miles from Chicago, and located on the Southern Shore of Lake Michigan, you’ll have access to the best sandy beaches, waterfront dining and upscale living that the area has to offer. We hope you’ll enjoy exploring our website and viewing images of our available real estate, upscale waterfront condos, 255 boat slip marina with transient dockage, and more. Please contact us if you would like any more information or click here if you need directions. Thank you and welcome to Marina Shores at Dune Harbor!