Ice Castle

With an endless array of upgrades and features, Ice Castle Fish Houses can be customized and designed to accommodate any fishing lifestyle. These superior road-licensed structures can be used year-round for everything including camping, hunting, toy hauling, and of course ice fishing.


Monahan's Marine is proud to be part of the Midsota & Nova network of authorized dealers, carrying their full line of commercial grade trailers and skid loader attachments. Select a trailer from our dealership floor or allow us to customize your trailer to your exact needs.


Enhance your summer memories with a customizable dock system. At Monahan's Marine we are a certified dealer of ShoreStation docks and Ridgeline docks — both leading names within the dock industry.

Monahan’s Marine: Minnesota’s Headquarters for All Equipment Marine, Fishing, Hauling, and More!

Our longstanding history within the marine and recreational vehicle industry means we are able to provide unparalleled levels of experience, knowledge, and passion when it comes to your equipment needs. Establishing roots over 80 years ago within the marine industry, we have slowly evolved into a dealership known for all types of outdoor play and work equipment. Today Monahan’s Marine operates as a dealership, service facility, parts shop, and outdoor retailer with an expanded product line covering every season. We are a recognized leader within the areas of Ice Castle Fish Houses, boats, pontoons, marine lifts, docks, commercial grade trailers, and even skid steer attachments.

Whether you summer fish, ice fish, camp, dock, haul, dump, or farm, we have a tool for the job — and we service what we sell. Conveniently located 4-miles south of Little Falls on Highway 10, we are able to provide a variety of services to meet the recreational and work demands of our surrounding central Minnesota communities — Brainerd, St. Cloud, Long Prairie, Sartell, Rice, Holdingford, and more!

Paired with names like, Midsota Manufacturing, Ice Castle Fish Houses, Shoreland’r Boat Trailers, ShoreStation Boat Lifts, Ridgeline Docks, Old Hickory Buildings, and Tetra Pod allows us to meet the needs of summer and winter anglers, campers, hunters, and all-around outdoor enthusiasts. Partnered with Midsota Manufacturing allows us to meet the needs of contractors, farmers, and DIYers. And to accommodate the storage needs of everyone, we’ve aligned ourselves with Old Hickory Buildings. As you can see, our dealer offerings are vast; but our service offerings are what truly set Monahan’s apart from the rest.

Contact us or stop in at our dealership in Little Falls, MN, we welcome the opportunity to serve your needs and be a part of your outdoor summer and winter fun.

Our Professional Services

  • Ice Castle Fish Houses – Sales, Repair and Accessories
  • Boat / Pontoon Trailers – Sales, Service and Repair
  • Used Boats - Sales, Service, Repair and Winterization
  • Marine Motors – Sales, Service and Repair
  • Boat Restoration Services
  • Secure Storage Services – Boats, Pontoons, Fish Houses, etc.
  • Lifts and Docks – Sales and Installation
  • Midsota and Nova Trailers – Authorized Sales
  • Consignment Sales – Fish Houses, Boats, Pontoons, Motors, Campers, etc.
  • General Retailer of Outdoor Sporting Goods and Accessories

Secure Storage: Boats, Pontoons, Fish Houses, RVs, Campers, and More

At Monahan’s Marine we not only sell, service, and repair your outdoor recreational toys, we also store them. From fish houses and pontoons to travel trailers and fishing boats, we are able to provide secure storage on a seasonal or year-round basis. Based in Little Falls, we are a convenient Minnesota location for those heading north to lakes and cabin country. We are THE ideal winter storage solution for boats and pontoons, as we can provide professional winterization prior to the long winter ahead.

History Notes: How it All Got Started

  • 1938 – Company originally established as Larson Motor Service
  • 1964 – The dealership began selling Polaris
  • For many years the dealership was recognized as the #1 top selling Crestliner dealer and a top 10 Larson selling dealer
  • 1991 – Tom Monahan took over the company and the name was changed to Monahan’s Larson Motor Service
  • 2006 – The company name was changed to Monahan’s Marine
  • Recognized as a warehouse distributor for Shoreland’r supplying trailers to boat companies
  • Retailer of Ice Castle Fish Houses, ShoreLand’r Trailers, ShoreStation Boat Lifts and Docks, Midsota Trailers, Ridgeline Docks, Old Hickory Buildings, Tebben Trailers, and Tetra Pod