A Partnership Built on History. Benefits Built for Today.
Marine Credit Union began as a credit union created to serve Mercury Marine employees. Today, that connection still matters. With exclusive savings, faster access to funds, and programs built around real life, we’re here to help you move forward with confidence.
Special Offers for Mercury Employees
.50% APR off current consumer loan rates (some exclusions apply)*
.25% APY increase on current share certificate dividend rates (APY varies)
My Loan Rewards, gives money back for on-time payments.1
My Payday, designed to help you access pay faster.3
Ready to take advantage of your Mercury Marine partner benefits?
Explore your options with Marine Credit Union and find the tools, rates, and support built to help you reach what’s next. You’ll also have access to a dedicated team that specifically supports Mercury Marine employees—giving you a more personalized, insider experience designed around your unique benefits and needs.
More Reasons Marine Credit Union Stands Apart
Your Mercury Marine benefits are just one part of what makes Marine Credit Union different. Explore more of what sets us apart—from our deep community involvement to helpful resources designed to support big milestones like homeownership.
- Visit our Community Impact page to see how we show up for the people and places we serve.
- Explore Finding Home for guidance, tools, and support to help make homeownership feel more achievable.
Our Story: From Mercury Marine Roots to a Broader Mission
Marine Credit Union was founded in 1949 in Fond du Lac, Wisconsin, to serve the employees of Mercury Marine—a connection that remains central to our story today. What began as a practical way to help hardworking employees save, borrow, and build financial stability has grown into a financial institution serving more than 80,000 members across the Midwest, while still honoring the values that shaped its beginning.
1945 — The Idea Takes Shape
Mercury Marine founder Carl Kiekhaefer encourages employees to form a workplace financial cooperative, reflecting a practical, employee-focused approach to financial access.
December 1949 — The Credit Union Is Chartered
Employees establish Aeromarine Employees Credit Union in Fond du Lac, Wisconsin, to promote thrift and provide loans to fellow Mercury Marine workers.
Late 1940s–1960s — Small Beginnings, Big Purpose
Early operations are housed inside Mercury Marine facilities, with records famously kept in a single briefcase—a reminder of the organization’s humble, employee-driven start.
1971 — A New Name and a New Location
After the company transitions to Mercury Marine, the credit union adopts the name Mercury Marine Credit Union. Its first off-site branch opens on land provided by Mercury Marine, directly across from the plant for added convenience.
1992 — Marine Credit Union
As membership expands beyond a single employer, the organization shortens its name to Marine Credit Union—honoring its origins while embracing a broader future.