US Bank Directory

Banks in Stony Brook, NY

1 FDIC-insured bank operates 1 office in Stony Brook, New York, and 1 credit union has 1 office.

Source: FDIC BankFind, data as of September 5, 2026; NCUA call report as of March 31, 2026.

Bank branch map: Stony Brook

Banks sit at the coordinates in their FDIC record; credit union offices at their NCUA address, located with the U.S. Census Bureau Geocoder. Point at a marker for today's hours, tap it for the address, directions and the bank's site.

Short answer: 2 banks and credit unions operate 2 locations in Stony Brook, according to the FDIC and the NCUA. 2 of them have coordinates on record and are on the map. 1 publish opening hours.

BankCredit unionMain office

Branches: FDIC, NCUA. Streets: loading.

2 locations on the map

Tap a cluster to zoom in

Positions are the regulators' own coordinates, or the Census Geocoder's point for the address, and can sit a few hundred feet from the door. Streets, buildings and parks come from OpenStreetMap through OpenFreeMap, with every street named as you zoom in; if that map cannot load, a simpler map drawn from the Census Bureau's TIGER/Line files takes its place. ATMs will follow with the Overture Maps import.

All banks and credit unions in Stony Brook

Sorted by number of local branches. Each branch shows where its hours and phone number come from.

Short answer: Santander is the only bank with an office in Stony Brook. Open any bank to see each address, today's hours where the bank publishes them and the phone number.

Santander Santander Bank, N.A. · 1 branch · main office Wilmington, DE Bank · 1

Santander has 1 branch in Stony Brook, 134 across New York and 368 nationwide. FDIC records list its main office in Wilmington, DE and show it operating since 1907. With $103.96 billion in total assets on June 30, 2026, it ranks No. 32 of 4,232 U.S. banks by total assets. The Stony Brook Branch at 1047 N Country Rd dates to 1923 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

  • Stony Brook Branch
    1047 N Country Rd, 11790
    Hours: see the bank's site
Santander: profile, branches and contacts
Teachers Credit Union 1 office · main office Smithtown, NY Credit union · 1

Teachers Credit Union has 1 office in Stony Brook, 31 across New York. It is based in Smithtown, NY and $9.94 billion in assets on March 31, 2026, according to its NCUA call report. It opens on Saturday.

Who can join: see the credit union's site.

  • Stony Brook
    1113 N Country Rd, 11790
    (631) 698-7000Today 9 am to 5 pm
    All hours

    Mon to Thu 9 am to 5 pm; Fri 9 am to 6 pm; Sat 9 am to 2 pm; Sun not published

    Hours: NCUA, March 31, 2026

Teachers Credit Union: profile, branches and contacts

Join a credit union in Stony Brook

1 credit union has 1 office here: Teachers Credit Union. Each office is listed above with the phone and the hours it filed with the NCUA (call report as of March 31, 2026). Who can join each one is on its own site; the credit unions in Stony Brook page has every office in the state's directory.

Banking in Stony Brook: the local picture

Short answer: 1 bank runs 1 branch in Stony Brook according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.

Santander has its main office in Wilmington, DE, according to the FDIC.

The bank with the longest record here is Santander, operating since 1907 according to the FDIC.

The only credit union with an office here is Teachers Credit Union.

Of the 1 location with published hours. 1 opens on Saturday. 1 location has no published hours in these sources.

Credit unions open on Saturday in Stony Brook

Short answer: 1 of the 1 Stony Brook location with published hours opens on Saturday, run by 1 institution.

Credit union hours are the text each credit union filed with the NCUA, call report as of March 31, 2026; a day the filing does not mention is shown as not published, never as closed. Bank branches show hours only where the bank publishes them in a source this page uses; 1 of the 2 locations here have no published hours yet. The source and date sit under each office. Banks and credit unions often close on Federal Reserve holidays; call ahead.

Chase, Bank of America and other national banks

Which big national banks have branches in Stony Brook, and where the nearest one is if they do not.

Short answer: No branches in Stony Brook: Chase (nearest in Setauket, 1 mi), Wells Fargo (nearest in Lake Grove, 4 mi), Bank of America (nearest in East Setauket, 1 mi), PNC Bank (nearest in New York, 43 mi), U.S. Bank, Truist, Fifth Third Bank (nearest in New York, 46 mi), Huntington, Regions Bank, TD Bank (nearest in Saint James, 3 mi), BMO.

BankIn Stony BrookNearest branch if none here
ChaseNoneSetauket, 1 mile away
Wells FargoNoneLake Grove, 4 miles away
Bank of AmericaNoneEast Setauket, 1 mile away
PNC BankNoneNew York, 43 miles away
U.S. BankNonenone in New York
TruistNonenone in New York
Fifth Third BankNoneNew York, 46 miles away
HuntingtonNonenone in New York
Regions BankNonenone in New York
TD BankNoneSaint James, 3 miles away
BMONonenone in New York

Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Stony Brook to the nearest branch in New York.

What your savings could earn

National benchmarks and the best published offers, from the Banrox Bank Rates tracker. Enter your own balance and rate to compare.

Short answer: At the national average savings rate of 0.38%, $10,000 kept in savings for a year earns about $38. The best published savings rate in the tracker, 3.75% at CIT Bank, earns about $375. The national average 12-month CD pays 1.71%.

Fed Funds Target Range3.75% - 4.00%FOMC, Sep 16 2026
30-Yr Fixed Mortgage Avg6.76%Freddie Mac PMMS, Sep 10 2026
15-Yr Fixed Mortgage Avg6.09%Freddie Mac PMMS, Sep 10 2026
Avg Credit Card APR22.15%Fed G.19, accounts assessed interest, Q2 2026
Best 12-Month CD4.25%Barclays and Popular Direct, Sep 16 2026
Best High-Yield Savings3.95%Bread Savings, Sep 16 2026

One year at this rate earns about $0; at the best published savings rate (3.75%) about $0.

OfferBankAPYTermMinimum
SavingsCIT Bank3.75%none$5,000
SavingsBarclays3.50%none$0
SavingsMarcus by Goldman Sachs3.40%none$0
CDSynchrony Bank4.35%60 Months$0
CDMarcus by Goldman Sachs4.35%24 Months$500
CDAmerican Express National Bank4.25%10 Months$0

Rates are the banks' published APYs as tracked on the Banrox Bank Rates page, with the date next to each benchmark; they are not offers from Banrox and can change daily. Interest is before tax. The best offers are mostly online banks and are open to Stony Brook residents like anyone else.

Banks near Stony Brook

Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.

Short answer: The closest towns with more choice are East Setauket (2 miles) and Saint James (3 miles). Smithtown, 6 miles away, has the most banks nearby: 7.

Bank branch openings and closings in Stony Brook

FDIC branch records, between September 5, 2025 and September 5, 2026.

Short answer: FDIC branch records show no bank branch openings in Stony Brook between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.

Largest banks in Stony Brook by total assets

Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Stony Brook offices.

Short answer: Santander is the largest bank with offices in Stony Brook, with $103.96 billion in total assets on June 30, 2026, No. 32 among U.S. banks by total assets. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

BankTotal assetsRankOffices hereMain office
Santander$103.96 billionNo. 321Wilmington, DE

Total assets and ranks from FDIC BankFind as of June 30, 2026. Rank is among active banks that report total assets to the FDIC.

Banks in Stony Brook: FAQ

How many banks are in Stony Brook, NY?

Stony Brook has 1 bank with 1 branch and 1 credit union with 1 office, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.

Is there a Santander in Stony Brook, NY?

Yes. FDIC data lists 1 Santander branch in Stony Brook as of September 5, 2026. The address and directions are under Santander above.

Is there a Chase in Stony Brook, NY?

No. FDIC data lists no Chase branch in Stony Brook as of September 5, 2026. The nearest is in Setauket, about 1 miles away in a straight line.

Which banks in Stony Brook are open on Saturday?

Teachers Credit Union publishes Saturday hours for one or more Stony Brook locations. The Saturday section above lists each one with its hours. 1 of the 2 locations here do not publish hours in the sources this page uses; call ahead.

What is the oldest bank in Stony Brook?

Santander has the longest record among banks with a branch here: the FDIC shows it operating since 1907.

Which credit unions can I join in Stony Brook?

Teachers Credit Union has an office in Stony Brook. Check each credit union's membership rules before you apply.

Did any bank branches open or close in Stony Brook in the past year?

FDIC branch records show no branch openings between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.

Where can I find more banks near Stony Brook?

Nearby cities with more banks include East Setauket, Saint James, Port Jefferson. East Setauket is 2 miles away with 4 banks.

How we build this page

Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.

DataSourceLicenseUpdatedData as of
FDIC-insured banks: branches, main offices, total assets, dates establishedFDIC BankFind Suite APIPublic data (U.S. government)Monthly importSep 5, 2026
Credit union offices, phones and hours as filed with the NCUA, total assetsNCUA call report dataPublic data (U.S. government)Quarterly importMar 31, 2026
Map coordinates of 1 credit union offices whose NCUA record has none, from the office addressU.S. Census Bureau GeocoderPublic data (U.S. government)With each NCUA importOct 19, 2026
Savings and CD rates, national averagesBanrox Bank RatesBanrox, from the banks' own rate pages and FDIC national ratesWeeklysee each rate

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