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Marinas in Alton, IL

2 marinas in and around Alton, Illinois — call ahead about transient slips and fuel hours — many smaller marinas keep seasonal schedules and fill up on summer weekends.

Alton has about 24,967 residents, which works out to 8.0 marinas per 100,000 people. Population: U.S. Census Bureau, 2024 estimate.

Marinas in Alton

The most complete and owner-verified listings first — hours, phone, website, services. No pay-to-play.

  1. Alton Marina

    1 Henry St, Alton, IL 62002

    Mon-Sat 9am-5pm

    Fuel dock
  2. American Marine Services

    920 Belle St, Alton, IL 62002-2348

2marinas
8.0per 100,000 residents
2with a phone
1with a website
1publish hours

Of the 2 marinas listed in Alton, 2 give a phone number, 1 publishes opening hours and 1 has a website. The nearest bigger selection is Effingham with 3.

Alton 2 marinas

More marinas within 30 miles of Alton

Only 2 marinas listed in Alton itself, so here are the closest ones in nearby towns. Distance is straight-line from Alton.

  1. Mike's Inc. Shipyard Facility

    4.2 mi · 1 Canal Rd, East Alton, IL 62024

  2. Alton Motor Boat Club

    6.8 mi · 11134 Harbor Dell, Godfrey, IL 62035

  3. Three Rivers RV and Boat Storage

    8.5 mi · 4615 Hedge Rd, Roxana, IL 62084

    Dry storage
  4. Lakeside Marina Inc

    13.2 mi · 100 Elm Dr, Edwardsville, IL 62025

  5. GASA Boat-RV-Toy Storage

    14.2 mi · 3477 Petroff Plaza, Pontoon Beach, IL 62040

    Dry storage
  6. Grafton Harbor

    14.8 mi · 215 West Water St, Grafton, IL 62037

    Transient slips
  7. American RV & Boat Storage

    27.3 mi · 8676 US-50, Lebanon, IL 62254

    Dry storage
  8. Wrubel Boat & Rv Storage

    28.3 mi · 7121 Reichert Rd, Columbia, IL 62236-2841

    Dry storage

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