Best Money Market Rates in South Portland, Maine (ME) - April 2026
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The rates displayed are actual, verified rates sourced directly from the official websites of banks and credit unions. Our editorial content is independent of any advertiser relationships.
Current South Portland, Maine and the surrounding area money market rates include Atlantic Regional Federal Credit UnionAtlantic Regional Federal Credit Union600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292A+5.0 ★Texas Ratio: 2.96% Business Money Market at 4.00% APY, Maine Family Federal Credit UnionMaine Family Federal Credit UnionA+5.0 ★Texas Ratio: 1.39% Mini Money Market Accounts < at 3.66% APY, Town & Country Federal Credit UnionTown & Country Federal Credit Union557 Main St, South Portland, ME 04106 5408A+5.0 ★Texas Ratio: 3.10% Money Market at 3.04% APY, Aroostook County FS&L Assoc.Aroostook County FS&L Assoc.A+5.0 ★Texas Ratio: 1.78% Money Market Now at 2.80% APY, and cPort Credit UnioncPort Credit UnionA5.0 ★Texas Ratio: 6.99% Money Market Plus Account at 2.78% APY. Money market rates as of April 23, 2026 according to verified data from MonitorBankRates.
South Portland has 8 local institutions in our database, with money market rates as high as 4.00% APY from Atlantic Regional Federal Credit Union at 600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292. Use the table below to compare all available offers, including options from institutions serving the broader Maine area. Rates are continually updated — we recommend checking back frequently.
Rates reflect recent market quotes and representative offers available to depositors in South Portland, Maine and surrounding area. Last Updated and Verified: April 23, 2026
Compare the Best Money Market Rates Today in South Portland, Maine & the Surrounding Area
Source: Verified Money Market Rate Data provided by MonitorBankRates
Institution
Product
APY
Min Deposit
Profile
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Business Money Market
4.00%
$0
▼
Rate3.93%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
$250,000 - $499,999
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Business Money Market Account
4.00%
$0
▼
Rate3.93%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
$250,000 - $499,999
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Money Market Account
4.00%
$250,000
▼
Rate3.93%
Min Deposit$250,000
Min Balance—
UpdatedApr 17, 2026
Details
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Money Market
3.10%
$0
▼
Rate3.06%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Town & Country Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.10%
557 Main St, South Portland, ME 04106 5408
Money Market
3.04%
$0
▼
Rate3.00%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
$250,000 +
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Kasasa Saver* Money Market Account
3.00%
$0
▼
Rate2.95%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Money Market
2.90%
$0
▼
Rate2.86%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Money Market
2.80%
$0
▼
Rate2.76%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Money Market
2.65%
$0
▼
Rate2.62%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Town & Country Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.10%
557 Main St, South Portland, ME 04106 5408
Money Market
2.53%
$0
▼
Rate2.50%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
$100,000 - $249,999
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Business Money Market Account
2.50%
$0
▼
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
$100,000 - $249,999
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Business Money Market
2.50%
$0
▼
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
$100,000 - $249,999
Atlantic Regional Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.96%
600 Sable Oaks Dr Ste 100, South Portland, ME 04106 3292
Money Market Account
2.50%
$100,000
▼
Rate2.47%
Min Deposit$100,000
Min Balance—
UpdatedApr 17, 2026
Details
Coast Line Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.05%
333 Cottage Rd, South Portland, ME 04106 3919
Money Market
2.45%
$0
▼
Rate2.42%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
Evergreen Credit Union Portland, ME
Institution Rating:
A5.0 ★ Texas Ratio: 8.27%
799 Broadway, South Portland, ME 04106
APEX Business Money Market
2.30%
$0
▼
Rate2.28%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Town & Country Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.10%
557 Main St, South Portland, ME 04106 5408
Money Market
2.27%
$0
▼
Rate2.25%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
$50,000 - $99,999
Coast Line Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.05%
333 Cottage Rd, South Portland, ME 04106 3919
IRA Money Market
2.25%
$0
▼
Rate2.23%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
Evergreen Credit Union Portland, ME
Institution Rating:
A5.0 ★ Texas Ratio: 8.27%
799 Broadway, South Portland, ME 04106
Money Market
2.10%
$250,000
▼
Rate2.08%
Min Deposit$250,000
Min Balance—
UpdatedApr 19, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
2.10%
$0
▼
Rate2.08%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Evergreen Credit Union Portland, ME
Institution Rating:
A5.0 ★ Texas Ratio: 8.27%
799 Broadway, South Portland, ME 04106
APEX Ultimate Insured Business Money Market
2.10%
$250,000
▼
Rate2.08%
Min Deposit$250,000
Min Balance—
UpdatedApr 19, 2026
Details
Currently Closed to New Shares
Coast Line Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.05%
333 Cottage Rd, South Portland, ME 04106 3919
Money Market
2.05%
$0
▼
Rate2.03%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
1.85%
$0
▼
Rate1.83%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
1.21%
$0
▼
Rate1.20%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
0.90%
$0
▼
Rate0.90%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
0.45%
$0
▼
Rate0.45%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
inBusinessTM Money Market Savings2
0.40%
$0
▼
Rate0.40%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
inBusinessTM Money Market Savings2
0.30%
$0
▼
Rate0.30%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
0.25%
$0
▼
Rate0.25%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
Money Market Accounts
0.15%
$0
▼
Rate0.15%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
2
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
inBusinessTM Money Market Savings2
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Saco & Biddeford Savings
Institution Rating:
A+5.0 ★ Texas Ratio: 4.27%
601 Broadway, South Portland, ME 04106
Essential Money Market
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
Money Market Accounts
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
Money Market Accounts
0.08%
$0
▼
Rate0.08%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
Money Market Accounts
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
inBusinessTM Money Market Savings2
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
Money Market Accounts
0.03%
$0
▼
Rate0.03%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Norway Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 0.74%
207 Waterman Dr, South Portland, ME 04106
inBusinessTM Money Market Savings2
0.01%
$0
▼
Rate0.01%
Min Deposit$0
Min Balance—
UpdatedApr 16, 2026
Details
Maine Family Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.39%
Mini Money Market Accounts <
3.66%
$0
▼
Rate3.60%
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
$2,500
Aroostook County FS&L Assoc.
Institution Rating:
A+5.0 ★ Texas Ratio: 1.78%
Money Market Now
2.80%
$1,000
▼
Rate2.72%
Min Deposit$1,000
Min Balance—
UpdatedApr 17, 2026
Details
cPort Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 6.99%
Money Market Plus Account
2.78%
$25,000
▼
Rate2.75%
Min Deposit$25,000
Min Balance—
UpdatedApr 19, 2026
Details
Central Maine Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.67%
Money Market (5)
2.78%
$0
▼
Rate2.75%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
University Credit Union Orono, ME
Institution Rating:
A+5.0 ★ Texas Ratio: 4.10%
Preferred Money Market, IRA & Coverdell ESA
2.75%
$0
▼
Rate2.71%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Maine Family Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.39%
Money Market Accounts
2.75%
$2,500
▼
Rate2.72%
Min Deposit$2,500
Min Balance—
UpdatedApr 17, 2026
Details
$50,000+
Seaboard Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 10.20%
Money Market
2.75%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
NorState Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 12.25%
Money Market
2.75%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
As High As
Milestones Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.99%
Money Market Accounts
2.68%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Bangor Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.57%
Money Market Account
2.63%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
cPort Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 6.99%
Money Market Plus Account
2.63%
$25,000
▼
Rate2.60%
Min Deposit$25,000
Min Balance—
UpdatedApr 19, 2026
Details
CASCO Federal Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 7.84%
Money Market
2.53%
$2,000
▼
Rate2.50%
Min Deposit$2,000
Min Balance—
UpdatedApr 19, 2026
Details
Central Maine Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.67%
Money Market (4)
2.53%
$0
▼
Rate2.50%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
Kennebec Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.44%
Premier Money Market
2.52%
$100
▼
Rate2.52%
Min Deposit$100
Min Balance—
UpdatedApr 22, 2026
Details
Rate2.47%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
cPort Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 6.99%
Money Market Plus Account
2.48%
$25,000
▼
Rate2.45%
Min Deposit$25,000
Min Balance—
UpdatedApr 19, 2026
Details
Milestones Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.99%
Money Market Accounts
2.48%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
cPort Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 6.99%
Money Market Plus Account
2.32%
$25,000
▼
Rate2.30%
Min Deposit$25,000
Min Balance—
UpdatedApr 19, 2026
Details
Sebasticook Valley Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.75%
Money Market
2.27%
$0
▼
Rate2.25%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
Central Maine Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 0.67%
Money Market (3)
2.27%
$0
▼
Rate2.25%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
Rate2.25%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Maine Family Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.39%
Money Market Accounts
2.25%
$2,500
▼
Rate2.23%
Min Deposit$2,500
Min Balance—
UpdatedApr 17, 2026
Details
$10,000+
Maine Family Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.39%
Money Market Accounts <
2.25%
$2,500
▼
Rate2.23%
Min Deposit$2,500
Min Balance—
UpdatedApr 17, 2026
Details
$10,000
Midcoast Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 1.69%
Peak Money Market
2.25%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
APY as high as
University Credit Union Orono, ME
Institution Rating:
A+5.0 ★ Texas Ratio: 4.10%
Preferred Money Market, IRA & Coverdell ESA
2.25%
$0
▼
Rate2.23%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Rate2.23%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Milestones Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.99%
Money Market Accounts
2.22%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Skowhegan Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.27%
Integrity Plus Money Market
2.20%
$0
▼
Rate2.20%
Min Deposit$0
Min Balance—
UpdatedApr 23, 2026
Details
cPort Credit Union
Institution Rating:
A5.0 ★ Texas Ratio: 6.99%
Money Market Plus Account
2.17%
$25,000
▼
Rate2.15%
Min Deposit$25,000
Min Balance—
UpdatedApr 19, 2026
Details
Aroostook County FS&L Assoc.
Institution Rating:
A+5.0 ★ Texas Ratio: 1.78%
Money Market Now
2.15%
$1,000
▼
Rate2.10%
Min Deposit$1,000
Min Balance—
UpdatedApr 17, 2026
Details
Sebasticook Valley Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 2.75%
Money Market
2.02%
$0
▼
Rate2.00%
Min Deposit$0
Min Balance—
UpdatedApr 18, 2026
Details
First Federal S&L Bath
Institution Rating:
A+5.0 ★ Texas Ratio: 5.84%
Premier Money Market
2.02%
$10,000
▼
Rate2.00%
Min Deposit$10,000
Min Balance—
UpdatedApr 17, 2026
Details
Milestones Federal Credit Union
Institution Rating:
A+5.0 ★ Texas Ratio: 3.99%
Money Market Accounts
2.02%
$0
▼
Rate—
Min Deposit$0
Min Balance—
UpdatedApr 17, 2026
Details
Rate2.00%
Min Deposit$0
Min Balance—
UpdatedApr 19, 2026
Details
Aroostook County FS&L Assoc.
Institution Rating:
A+5.0 ★ Texas Ratio: 1.78%
Money Market Now
1.90%
$1,000
▼
Rate1.86%
Min Deposit$1,000
Min Balance—
UpdatedApr 17, 2026
Details
Skowhegan Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.27%
Integrity Plus Money Market
1.55%
$0
▼
Rate1.55%
Min Deposit$0
Min Balance—
UpdatedApr 23, 2026
Details
First Federal S&L Bath
Institution Rating:
A+5.0 ★ Texas Ratio: 5.84%
Premier Money Market
1.51%
$10,000
▼
Rate1.50%
Min Deposit$10,000
Min Balance—
UpdatedApr 17, 2026
Details
Androscoggin Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 2.03%
Flex Personal Money Market Account
1.50%
$0
▼
Rate1.49%
Min Deposit$0
Min Balance—
UpdatedApr 23, 2026
Details
Aroostook County FS&L Assoc.
Institution Rating:
A+5.0 ★ Texas Ratio: 1.78%
Money Market Now
1.50%
$1,000
▼
Rate1.47%
Min Deposit$1,000
Min Balance—
UpdatedApr 17, 2026
Details
Kennebec Savings Bank
Institution Rating:
A+5.0 ★ Texas Ratio: 1.44%
Premier Money Market
1.39%
$100
▼
Rate1.39%
Min Deposit$100
Min Balance—
UpdatedApr 22, 2026
Details
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MonitorBankRates
The Annual Percentage Yields (APYs) displayed are based on the highest APY offered for the specified deposit amount or less. Rates may change without prior notice. Rates reflect recent market quotes and representative offers available to depositors in South Portland, Maine and the surrounding area.
Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.
Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.
South Portland, ME Money Market Rate Trends
Compare local South Portland, ME money market quotes against the statewide average
Daily money market rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
High-Yield MMA — ME Avg
3.063%
▲ 0.026 vs 7 days ago
Maine high-yield MMA rates rose 0.026 points over the past 7 days to 3.063% APY.
Standard MMA — ME Avg
0.423%
▲ 0.003 vs 7 days ago
Maine standard MMA rates rose 0.003 points over the past 7 days to 0.423% APY.
As of Apr 23, 2026 • Rate data sourced from 8,500+ monitored institutions
Powered by MonitorBankRates
Methodology & Data Sources
Direct-Sourced & Verified Money Market Rate Data: We aggregate money market account rates for South Portland, Maine directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every money market rate displayed on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in South Portland, Maine. We feature a comprehensive mix of institutions from neighborhood credit unions and mid-sized regional banks to large national institutions available to savers in ME.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update money market rates daily. Because MMA yields can fluctuate rapidly based on market conditions, every product listed features its own specific “last updated” date, giving you complete transparency.
Frequently Asked Questions about Money Market Accounts in South Portland, Maine
What is a Money Market Account (MMA)?
A Money Market Account (MMA) is a type of savings account that often pays higher interest rates than standard savings accounts. They usually come with check-writing privileges and debit card access, offering a balance of growth and liquidity for savers in Maine.
Are Money Market accounts in South Portland, Maine safe?
Yes, as long as the institution is FDIC insured (for banks) or NCUA insured (for credit unions). This provides federal protection for your deposits in Maine up to $250,000 per depositor, per institution.
How often do MMA rates change in South Portland, Maine?
Money market rates are variable and can change at any time based on market conditions and Federal Reserve decisions. We update our local Maine rate tables daily to ensure you see the most current high-yield options.
Can I write checks from a Money Market Account?
Yes, most Money Market Accounts allow you to write a limited number of checks or make debit card transactions each month (typically up to 6), making them more flexible than a standard savings account.
Best Money Market Rates in South Portland, Maine
Here are some of the highest money market account APYs currently available in South Portland, Maine and the surrounding area:
- Atlantic Regional Federal Credit Union
Business Money Market — 4.00% APY - Maine Family Federal Credit Union
Mini Money Market Accounts < — 3.66% APY - Town & Country Federal Credit Union
Money Market — 3.04% APY - Aroostook County FS&L Assoc.
Money Market Now — 2.80% APY - cPort Credit Union
Money Market Plus Account — 2.78% APY
Money Market Rates reflect actual verified offers from banks and credit unions actively accepting deposits in South Portland, Maine. Your final available rate may depend on deposit amount and daily market movements. Last Updated and Verified: April 23, 2026
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