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Membership Information

Go Sail Flathead Lake

As a member of the Go Sail Flathead, you’ll enjoy more time on the water than most boat owners – and at far less cost. Membership Options below entitle you to unlimited sailing and paddling during the regular season with no additional cost for boat usage.


No loan payments,  No boat maintenance headaches or expenses, No moorage fees, No winter boat storage fees,

No trouble finding experienced people to sail with, Reserve online, check in, and go sailing! ​

Who can be a member of the Flathead Lake sailing membership?

Anyone is able to join as a member after becoming ASA 101 certified and approved by check out Captain.

How Membership Works:

You can choose 22ft Capri sailboats or Kayaks, and stand-up paddle boards or all. We have three membership levels. Your membership will give you unlimited access to the boats within your category. We will offer a check out with your membership.

Get on the water as often as you like!​

Unlimited access to Capri 22 sail boats from launch to haul out. Pay one membership fee for boat use for the entire season. There is no rental charge or guest fees each time you sail. If you sign up after the season has begun, your membership is good until the same date in next year’s season. So if you purchase a membership on 8/1, it will go until 8/1 the following year. Off season dates are not included, which is typically October through end of May.

Simple Booking Process

Click on the membership of your choice and click on “Buy now”, then system will create your unique Member ID. Use this to make advanced boat reservations online. Please review the Membership Agreement for details.

Whether you are new to Go Sail Flathead Lake or have taken classes with us, we will make sure you feel prepared to explore the harbor. View our membership levels below. Membership includes our Flathead Lake Cruising Guide.

Membership Levels

Go Sail Flathead Lake Sailing and Paddling Membership Policies and Procedures Agreement.

The goals are sail, sail, sail, paddle, paddle, paddle, and enjoy our beautiful location with respect and kindness to the other members.

We recommend sailing, kayaking, and SUP (stand-up paddle boarding) within an area of 5 to 10 miles from Dayton, MT.
Sailboat Rentals
  • Experience required to rent a sailboat to explore Flathead Lake without a captain! You must know how to safely handle the Capri 22 without assistance, certifications, and/or relevant experience required and check-out required

  • The best wind is 10–15 knots out of the east on high-pressure days—blue skies and light white fluffy clouds. The best sailing on Flathead Lake is in the bay between the Dayton shoreline, Wild Horse Island, and Big Arm Bay. 

  • Remember to check your weather forecast

  • There are no public docks on any of the islands. You can anchor and swim into the shore. There is a swimming ladder off the back of your boat.

  • Includes the federally-required safety equipment Type II USCG life jackets.

Kayaks and SUP rental

  • Experience required. 

  • Kayak and SUP rentals are self-guided and include paddles and life jackets.

  • Rent by the hour, half day, or full day (see booking calendar for available times).

  • We have 9-foot sit-on kayaks and 11.6-foot Drift stand-up paddle boards. The best paddling is from June to August on days when the weather is nice. The best conditions are on days with high pressure when the sky is blue and there are light white fluffy clouds. Paddling on Flathead Lake is in the bay between the Dayton shoreline, Cromwell Island, and Wild Horse Island State Park. If you want to go to Skeeko Bay on Wild Horse Island State Park you should calculate 4–5 hours (full-day rental).

  • Check your local weather forecast for wind speeds and wave heights