Contact MarineHow may we help you today? Use this form or one of the numbers below to inquire about any Marine Credit Union service.
We look forward to hearing from you and will assist any way we can.
Marine Contact Center hours are Monday-Friday 7:00 am – 5:00 pm
Saturday 8:00 am – 1:00 pm
For a list our member’s Frequently Asked Questions, click here.
See local branch listings for locations, phone numbers and hours
Let us know what you think
I value your thoughts and opinions and appreciate your feedback. If you received exceptional service from someone at Marine and would like to recognize them, or see some areas that could be improved, I would like to hear from you.
Shawn Hanson, President/CEO
P.O. Box 309
Fond du Lac, WI 54936-0309
Bank by phone
Available 24 hours a day
Personal Identification Number (PIN) is required
Lost or stolen MCU credit or debit cards
Debit card call 800.923.7280 during business hours (800.682.6075 after hours)
Credit card call 800.558.3424
Debit and credit card activation
Debit card call 800.411.6390
Credit card call 800.553.7650