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 towards the best gaming and entertainment in Minnesota.

Ship Store & Gas Dock

Monday-Thursday, 11am-5pm
Friday, 10am-8pm
Saturday, 8am-8pm
Sunday, 8am-5pm

*Fuel Dock open until 7pm on Friday & Saturday. Hours may vary due to holidays, events and weather conditions.

Cruise into the Treasure Island Marina and enjoy a ships store, 30 & 50 amp service, restrooms & showers, pump-out service, 91 octane unleaded & #2 diesel fuel, a beach and park area with fire pits, volleyball, boat launch, free Wi-Fi, 50% admissions discount to The Lagoon and free shuttle service to and from the casino.

Make a reservation: 651-385-2575.


  • 32' x 14' Slip
  • 40' x 16' Slip
  • 48' x 18' Slip
  • Seasonal slip includes: Wi-Fi & Cable TV, water & electric, dock carts, parking, 10¢ per gallon fuel discount, pump-out service, boat launch, discount to The Lagoon
    (50% off on up to five water park passes)

    Dock boxes, jet ski ports and dinghy slips are available for an additional charge.
    *April 15-October 31. Additional fees may apply if boat exceeds maximum slip length.


  • Daily Rate
    $1.50 per foot
  • Event nights & holidays
    25' & under - $50
    26' and up - $2 per foot


  • Limited availablity
    up to 8 hours