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Bank Better in the Seacoast—Earn up to $500*

Open new accounts with the nation's first credit union and get rewarded for banking local.

Your Local Banking Advantage

At St. Mary’s Bank, you don’t just get smart digital tools, competitive rates and low fees — you get real people who live and work in the Seacoast. And right now, you can earn up to $500 just for opening new accounts.

Young Child Being Pushed in Toy by Father GET500 Video

Bank Better and Earn $500

Open & Deposit: Get $300*

  1. Open a new checking account with offer code GET500.
  2. Open a savings account at the same time.
  3. Setup a recurring direct deposit to your new checking within 90 days ($1,000 minimum)*

Fund & Save: Add $200*

  1. Fund your new savings account with at least $2,000*
  2. Maintain a $2,000 minimum average daily balance for six months
  3. Add a $25 recurring monthly deposit to your savings*
seacoast rate bump

Earn 4.00% APY with the Seacoast Premier Money Market

Grow your savings faster with 4.00% APY1 on balances of $25,000 or more—guaranteed through June 30, 2026.

Open your account in person at our North Hampton or Portsmouth branches and take advantage of this limited-time offer. New deposits only.

 

⏳The Fed Cut Rates — Here’s What It Means for Your Savings

The Federal Reserve lowered its key rate on September 17. More cuts may be on the way, which could mean today’s savings and CD rates won’t last.

Read More in our Blog

Visit Us in Portsmouth or North Hampton

Portsmouth Location

20 International Dr., Portsmouth, NH

Lobby Hours
Monday-Wednesday: 9:00 AM-5:00 PM
Thursday-Friday: 9:00 AM-6:00 PM
Saturday: 9:00 AM-1:00 PM

Drive-up ITM Teller Assist Hours
Monday-Friday: 8:00 AM-7:00 PM
Saturday: 8:00 AM-1:00 PM

Drive-Up ATM: 24/7

North Hampton Location

65 Lafayette Rd., Suite 101, North Hampton, NH

Lobby Hours
Monday-Wednesday: 9:00 AM-5:00 PM
Thursday-Friday: 9:00 AM-6:00 PM
Saturday: 9:00 AM-1:00 PM

Drive-up ITM Teller Assist Hours
Monday-Friday: 8:00 AM-7:00 PM
Saturday: 8:00 AM-1:00 PM

Drive-Up ATM: 24/7

Pease Branch Portsmouth

Why Your Neighbors Bank with St. Mary’s Bank

"We were very impressed with the helpfulness and professionalism we experienced at St. Mary’s Bank in Portsmouth.... All the staff were friendly and helpful. We’re very happy to be new members of St. Mary’s Bank."
-Debby, Portsmouth, NH

Banking with St. Mary’s Bank in the Seacoast means more than great rates and rewards. It’s about local service, real people, community and a credit union that’s been putting members first since 1908. Join today and see the difference for yourself.

* Get up to $500. Offers subject to change without notice. Annual Percentage Yield (APY) accurate as of 12/12/2025. Deposit rates are variable subject to change without notice. Fees may reduce earnings. All deposit accounts must be in good standing (not in default, closed or suspended) when the bonus is paid. Limit one $300 and/or one $200 bonus per primary member regardless of the number of checking and/or savings accounts opened. Bonus payouts may take up to 30 days to post after all qualifying activities are completed.

$300 Qualifications
Annual Percentage Yield (APY) accurate as of 12/12/25. Deposit rates are variable and subject to change. Fees may reduce earnings. Offer available to individuals opening their first St. Mary’s Bank checking account. If you have been a primary or secondary (joint) holder of a St. Mary’s Bank checking account within the last 90 days, you are not eligible for this offer. 

Open with offer code GET500

  1. Open both a new personal checking account and a personal savings account (excludes CDs and IRAs) at the same time.
  2. Add a recurring direct deposit (at least two) totaling $1,000 or more posted to your CHECKING account within 90 calendar days after the account opening date.
    If the 90th day is not a business day, then these requirements need to be met by the next business day.
  3. Bonus will be deposited to the savings account after qualifying actions are completed.

$200 Qualifications

  1. Open a new savings account (excludes CDs and IRAs)
  2. Have an active or open a new St. Mary’s Bank checking account
  3. Fund the new savings account with at least $2,000 in new money (funds not currently on deposit with St. Mary’s Bank) within 30 days of account opening.
  4. Establish a monthly recurring deposit of at least $25 within 30 days of account opening and maintain for six consecutive months.
  5. Maintain at least a $2,000 minimum average daily balance for six consecutive months.

Rainy Day Savings: $25 minimum monthly automatic transfer from a St. Mary’s Bank checking or ACH direct deposit required. $25 minimum balance to open. One free withdrawal per month, $2 fee for each withdrawal thereafter. Limit one Rainy Day Savings account per member. Rainy Day Savings earn 7.00% APY for $0.01-$500.99, 5.00% - 7.00% APY for $501-$1000.99, and 0.05% - 7.00% for $1,001+.

Beyond Savings and Beyond Rewards Savings accounts: Minimum of $10 is required to open and earns 0.05% APY for all tiers.

Checking accounts: A minimum deposit of $10 is required to open a checking account. 

Direct deposit is recurring income electronically deposited into your St. Mary’s Bank checking account by an employer or other organization. It may include salary, pension, government benefits, or other eligible regular income. Certain money transfers, such as person-to-person payments and payments made with apps such as Zelle®, PayPal, or Venmo, do not qualify as direct deposits. Transfers between your accounts at St. Mary’s Bank or other banks or brokerages also do not count as direct deposits.


1. Seacoast Premier Money Market Promo. Annual Percentage Yield (APY) accurate as of 6/30/26. The Seacoast Premier Money Market account earns 4.00% APY on all balance tiers of $25,000 or more, guaranteed through 6/30/26. Thereafter, rates are subject to change at any time without notice. A minimum balance of $2,500 is required to open the account, and a minimum balance of $25,000 is required to earn the stated promotional rate. This rate is available for new funds on deposit only and may not be funded by transfers from an existing St. Mary’s Bank account. Balance tiers are: $2,500 – $9,999.99 earns 0.00% APY; $10,000 – $24,999.99 earns 0.00% APY; $25,000 – $49,999.99 earns 4.00% APY; $50,000 – $99,999.99 earns 4.00% APY; $100,000 – $249,999.99 earns 4.00% APY; $250,000 – $499,999.99 earns 4.00% APY; $500,000 – $999,999.99 earns 4.00% APY; and $1,000,000 and above earns 4.00% APY. This promotion is available exclusively at St. Mary’s Bank’s North Hampton branch (65 Lafayette Road, Suite 101, North Hampton, NH) and Portsmouth branch (20 International Drive, Portsmouth, NH) and must be opened in-branch. This promotion may be modified or withdrawn at any time without prior notice. Fees could reduce earnings.


St. Mary’s Bank is a member-owned credit union. Membership opened to anyone with the purchase of one share of capital stock for $5.