Send us secure email
The best way to communicate with Marathon Bank electronically and the only way to ensure your confidential information is via our secure email using the links below. Please login or setup an account to transmit confidential information.

• Login
• Create an account

If you need to contact us regarding any of our services, please contact us at the following numbers.

Queens

Contact us with general inquiries by email at customerservice@mnbny.com (non-secure) or by phone at (800) 721-9516 (toll free).

See our Locations and Lobby hours.