THE MARINA
BOOK NOW
Approaching by boat, enter the Sturgeon Lake Channel .3 miles north of the Sturgeon Lake Navigational Light marked 798.2, 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 is not just good boater etiquette, it’s the law.
CLOSED FOR THE SEASON
Thank you for joining us for another great season on the beautiful Mississippi River! Ready for another summer of fun? We’ll begin accepting reservations for the 2026 boating season starting Monday, January 5, 2026.
JOIN OUR 2026 C DOCK WAITLIST
Looking for a seasonal slip on the Mississippi River for the 2026 boating season? We're opening up 20 new seasonal slips! Located just one mile north of Lock and Dam No. 3 in the scenic Sturgeon Lake Channel, our C Dock has been fully upgraded with new floats, decking and an electrical system.
DOCKAGE
- Short-term
- Overnight
- Holiday & Event
- Beach Camping
Short-term Day Dockage
Beach Parking - FREE
4 hours or less - $10
Overnight Dockage
Sunday-Thursday - $30 flat rate
Friday 25' and under - $50/night
26’ and up $3.00 per ft/night
Saturday 25’ and under $75/night
26’ and up $3.00 per ft/night
Holiday & Event Dockage
25' and under - $125/night
26' and up $5.00 per ft/night
Beach Camping (limited availability)
$50/night
$100/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)
2026 Seasonal Slip Rates
- 32' X 14' - $3,400
- 40' X 16' - $4,100
- 48' X 18' - $4,850
Amenities include; 30 amp or 50 amp power, water hook-up, WIFI, restrooms & showers, complimentary pump out, 5% off total fuel sale, 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.
2026 BOAT LAUNCH & DRY STORAGE
- Boat Launch Passes
- Store & Launch Passes
- Trailer Storage
Boat Launch Passes
Daily Launch, Monday-Thursday - $15
Daily Launch, Friday-Sunday - $20
Weekly - N/A
Monthly - N/A
Seasonal - $200
Store & Launch Passes
Daily - N/A
Weekly - N/A
Monthly - N/A
Seasonal - $525
Trailer Storage
Daily - N/A
Weekly - N/A
Monthly - N/A
Seasonal - $400
Boater groups welcome!
- Group Booking Special
Calling all yacht clubs and boater groups! We would love to host you this summer at The Island, Minnesota's destination fun. Enjoy beach fun, yard games and a 50% off coupon for The Lagoon indoor water park! For group bookings, please email marina@ticasino.com.
2024 MARINAS.COM ELITE FLEET BOATERS' CHOICE AWARDS
Because of your reviews and ratings, Treasure Island Marina is a winner of the 2024 Marinas.com Elite Fleet Boaters' Choice Awards! We look forward to continuing to provide exceptional experiences and guest service this season.
FUEL DOCK*
- 91 Octane Non-Oxygenated (no ethanol) Unleaded Fuel
- Diesel #2 ULSD Dyed Fuel
- Pump out Service
- Potable Water
*Closed for the 2026 season
SHIP STORE
- Assorted Beverages & Snacks
- Ice - 5lb & 18lb Bags
- Apparel, Hats & Accessories
- Select Marine Items
- Cleaning Supplies
SPRING/FALL
Monday –Thursday: 11am-5pm
Friday: 10am-6pm
Saturday & Sunday: 9am-5pm
WINTER/OFF SEASON: Closed
*Hours may vary due to Holidays, Events, and inclement weather.
SCENIC RIVER CRUISES
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!
AMENITIES
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
Volleyball