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, we are conveniently located whether you venture up river, down river or towards the best gaming and entertainment in Minnesota.


Cruise into the Treasure Island Marina and enjoy a ships store, 30 & 50 amp service, restrooms & showers, pump-out service, unleaded & diesel fuel, a beach and park area with fire pits, horseshoe pits & volleyball, boat launch, cable TV ($5 per night), 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, 10ยข 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