Marina HERO 2400 X1200

Approaching by boat, enter the Sturgeon Lake Channel .3 miles north of the Sturgeon Lake Navigational Light marked 797.9, be cautious of the wing dams. You will see Treasure Island Marina upstream, the channel marked with red and green buoys and “NO Wake” Buoys. No Wake it is not just the law, is it good boater etiquette.

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  • Short-term
  • Overnight
  • Holiday & Event
  • Beach Camping

Short-term Day Dockage

Beach Parking - FREE

4 hours or less - $10

Overnight Dockage

25' and under - $37.50/night

26' and up $1.50 per ft/night

Holiday & Event Dockage

25' and under - $50/night

26' and up $2.00 per ft/night

Beach Camping (limited availability)


$45/night holiday or event

Amenities include; 30 amp, 50 amp power, water hook-up, restrooms & showers, discount at the Lagoon Waterpark, WIFI, Beach, Complementary Shuttle to and from the Casino, and Boat Launch (permit required)
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Marina V3 1200 X800

Seasonal Slip Rates

  • 32' X 14' - $3,150
  • 40' X 16' - $3,800
  • 48' X 18' - $4,400

Amenities include; 30 amp or 50 amp power, water hook-up, cable, WIFI, restrooms & showers, complimentary pump out, 10 cents/gallon fuel discount, * 25 cents/gallon fuel discount proposed and needs to be approved by GM, dock carts, discount at the Lagoon Waterpark, Boat Launch Pass, Access to Fitness Center, Exclusive Passport Club Kiosk Promotions, Exclusive Offers, Swimming Beach, Fire Pit, Complimentary shuttle on property.

Other optional amenities for an additional charge (depending on availability)

  • Dock Boxes
  • Dinghy Slip
  • Jet Ski Port
  • Trailer Parking (discounted summer storage) parking permit required for all trailers.
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Dry Storage 1200 X800


  • Boat Launch Passes
  • Store & Launch Passes
  • Trailer Storage

Boat Launch Passes

Daily - $15

Weekly - $60

Monthly - $100

Seasonal - $200

Store & Launch Passes

Daily - N/A

Weekly - $100

Monthly - $175

Seasonal - $350

Trailer Storage

Daily - N/A

Weekly - $60

Monthly - $100

Seasonal - $200

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Marina Dock 1200 X800


Slip away to an island retreat and dock at the hottest spot on the Mississippi. The Treasure Island Marina offers 56 transient slips with docking up to 100 feet and 81 seasonal slips. Just one mile north of Lock & Dam No. 3 in the Sturgeon Lake Channel at mile marker 798.2, we are conveniently located whether you venture up river, down river or toward the best gaming and entertainment in Minnesota.

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***The fuel dock will be closed for repairs from August 2-17. A temporary Ship Store will be available on shore for limited services.

  • 91 Octane Non-Oxygenated (no ethonal) Unleaded Fuel
  • Diesel #2 ULSD Dyed Fuel
  • Pump out Service
  • Potable Water
Hours of Operation
Ship Store 1200 X800


  • Assorted Beverages & Snacks
  • Ice - 5lb & 18lb Bags
  • Apparel, Hats & Accessories 
  • Select Marine Items
  • Cleaning Supplies
Hours of Operation
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Experience a relaxing cruise down the Mississippi River aboard our 100-passenger yacht, Spirit of the Water! Offering brunch, lunch and dinner cruises, you’ll enjoy a gourmet meal and panoramic views of Minnesota’s bluffs. Select “Book Now” to pick your cruise and get your tickets online today!

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Free Wi-Fi

Pump-out service

Beach and park area with fire pits

30 & 50 amp service

91-octane unleaded fuel

Boat launch

Restrooms & showers

#2 diesel fuel