Alton Marina (Seahorse Ranch Marine)

We Welcome You!

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.

The Cantina

The Alton Marina Cantina and Deli are open to the public and ready to serve you refreshing drinks and delicious bites!