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Our Main Office ATM Lobby at 147 West 4th Street in South Boston will be open during regular business hours only:  M-F 8:30-4:00, Sat 8:30-1:15.  We are sorry for any inconvenience.  Remember, our mobile app and online banking are available 24/7.  For questions, please call 617-269-2700.

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REAL BANKING for REAL PEOPLE

Mass Bay Credit Union A Greater Boston Credit Union Since 1936.

Mass Bay Credit Union is a full service financial institution that works to serve you. You get a say in our leadership, and we reinvest our profits back into better services and our community.

MassBay Benefits
Lower Fees
Lower Fees
Keep more money in your pocket so you can put it towards the things that really matter to you.
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Competitive Rates
Competitive Rates
Earn more interest and pay loans off faster with competitive rates that tackle the big banks.
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Personal Service
Personal Service
Speak to real people who take the time to understand your goals and help make them happen.
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People Helping People

We have been a Greater Boston Credit Union since 1936. We know that getting ahead can be challenging enough these days—managing your finances shouldn’t add to your stress load. Choosing Mass Bay Credit Union means choosing to be part of a community that cares about each other and about you.
 

We want to pave the way for you to achieve your financial goals.

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News & Events

Scam Alert
Scam Alert
Seasonal Scams to be Aware of During the 2022 Holidays
Check Fraud Tool
Check Fraud Tool
Check Fraud is on the rise and we want our Members to be as prepared as possible. Utilize our Check Fraud Tool and go through the list to help identify if your check is part of a fake check scam.
May is Older Americans Month
May is Older Americans Month
May is Older Americans Month. See this FTC article on how you can block unwanted calls to keep hackers and scammers away.
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