Best Banks & Credit Unions in South Portland, Maine
Banks and credit unions serving South Portland, Maine. Compare up to 0.35% APY, fees, minimums and membership rules, dated when we read them.
This page covers banks, credit unions, and local branches available to residents of South Portland, Maine. All rankings inherit from the Maine state directory. Every institution listed is licensed to serve South Portland residents and is either headquartered in Maine or operates branches in the metro.
Top options in South Portland
- Lighthouse Credit Union: 4.00% APY. 12-month Share Certificate: $500.00 minimum; the 6-month and 24-month terms pay 3.75%; a penalty may be imposed for early withdrawal. Read Sep 7, 2026 on lighthousecu.org.
- Androscoggin Bank: 3.75% APY. 12-month 1 Year CD: $500 minimum; the 6 Month CD pays 3.51%. Read Sep 7, 2026 on androscogginbank.com. Rates as of 2026-09-06 per the page.
- Maine Savings Federal Credit Union: 3.35% APY. 12-month 1 Year Certificate: $500 minimum to open and to earn dividends; the 14-month and 18-month terms pay 3.70% and 3.75%. Read Sep 7, 2026 on mainesavings.com. Rates as of 2026-09-07 per the page.
- cPort Credit Union: 2.78% APY. 9-Month Share Certificate: The nearest standard term to twelve months: the 12-month and 6-month certificates on this sheet are both named Specials at 3.56%; $500 minimum balance on certificates; an Elevate Account earns 2.88% at the same term. Read Sep 7, 2026 on cportcu.org. Rates as of 2026-09-01 per the page.
- cPort Credit Union: 2.02% APY. Money Market Account: $25,000 minimum balance to open; $2,500 minimum average monthly balance to earn dividends; transaction limits apply. Read Sep 7, 2026 on cportcu.org. Rates as of 2026-09-01 per the page.
- Maine Community Bank: 2.00% APY. 12 Month CD: Standard Rates table; $500.00 minimum deposit to open; the bank also runs a separate 12 Month Special. Read Sep 7, 2026 on maine.bank. Rates as of 2026-09-06 per the page.
Banks with more than one branch in South Portland
Each opens every one of that bank's offices in South Portland, with the address of each and what it holds.
Other Maine cities
See the full Maine banks directory for every institution we've verified in the state, plus the underlying methodology.