go Results Found: 4 Button group with nested dropdown South Shore Marina, Inc. Traditional South Shore Marina, Inc. 1700 Marine Street Portage IN 46368 (219) 762-2304 Doyne's Marine, Inc. Traditional Doyne's Marine, Inc. 1340 North Crisman Road Portage IN 46368 (219) 762-7622 Portage Public Marina Portage Public Marina 1200 Marina Way Portage IN 46368 (219) 763-6833 Marina Shores Traditional Marina Shores 5987 S. Dune Harbor Drive Portage IN 46368 (219) 850-4654