Checking, Savings, Lending, and Financial Services

Marathon Bank is now open in Brookfield!

Celebrate with us by opening a new checking account and earning an awesome bonus. Switching to Marathon Bank is easy!

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% APY*

Certificate of Deposit

Learn more *Annual Percentage Yield (APY) is effective as of April 25, 2024 and is subject to change without notice. The APY assumes interest will remain on deposit until maturity. A withdrawal will reduce earnings. A penalty may be imposed for early withdrawal. A $1,000 minimum opening deposit. The 11-month CD is subject to the terms and conditions of a 182-day CD. Term and Conditions Apply

Switching to
Marathon Bank is Easy


Make your savings work
as hard as you do.

Grow your savings faster with Marathon Bank’s consistently top-tier deposit rates & exclusive promotions. Flexible account options, secure banking, and convenient access – all while your money thrives. Don’t wait, unlock your earning potential today! Visit a branch or check our website for current offers and start banking with us today! Check rates >

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About Us

Why bank with Marathon Bank?

Enjoy a better banking experience with Marathon County’s original community bank. You’ll experience genuine banking built on relationships with people you can trust. Unlike big banks, our local roots mean local decisions and the comfort of familiar staff. Encounter personalized service, the warmth of a community partner, and the strength and security of a trusted local bank. Join us today and discover the difference.