Welcome to Alton Marina
THE FINEST 5-STAR MARINA ON THE MISSISSIPPI RIVER
Alton Marina invites you to join us and enjoy our facility. Whether you’re planning a day trip, you’re in transit, or just spending the weekend with us, you’ll always feel like it’s a vacation at Alton Marina. Our Harbormasters Jill & Greg and the Alton Marina staff are dedicated to making your stay at “The Finest 5-Star Marina on the Mississippi River” memorable, comfortable, and safe. We look forward to seeing you soon!
As your final fuel stop for many miles, you’ll want to top off with fresh ValvTect Diesel or Unleaded fuel at our easily accessible fuel dock. Click Here to Request a Reservation or Call (618) 462-9860.
Office Hours:
Monday – Saturday: 9:00 AM – 5:00 PM
Sundays: 9:00 AM – 3:00 PM
Fuel Dock Hours
Daily: 9:00 AM – 5:00 PM
Alton Marina graciously accepts the Dockwa Elite Fleet Boaters’ Choice Award for 2024.
5-Star Harbormaster & Staff
Resources
CURRENT CONDITIONS, FUEL PRICES, DISCOUNTS AND MORE
River Conditions
Last Updated: December 18, 2025 - 8:00 AM Our current water level at The Alton Marina is 418.67 ft. (10 - 11' +/-. within the harbor). The most current
Area Attractions
Alton Amphitheater The Liberty Bank Alton Amphitheater is a 4,000 seat outdoor venue located on the beautiful riverfront of downtown Alton, Illinois! Visit Website Alton Little Theater Alton Little Theater