US Bank Directory
Banks in Islandia, NY
5 FDIC-insured banks operate 5 offices in Islandia, 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; hours checked October 10, 2026.
Bank branch map: Islandia
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: 6 banks and credit unions operate 6 locations in Islandia, according to the FDIC and the NCUA. 6 of them have coordinates on record and are on the map. 2 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
6 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 Islandia
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: 5 banks share the most locations in Islandia, with 1 each. 5 banks have a single office in the city. Open any bank to see each address, today's hours where the bank publishes them and the phone number.
Chase Bank · 1
Chase has 1 branch in Islandia, 581 across New York and 5,176 nationwide. FDIC records list its main office in Columbus, OH and show it operating since 1824. With $4.09 trillion in total assets on June 30, 2026, it ranks No. 1 of 4,232 U.S. banks by total assets. The Islandia Shopping Center Branch at 1862 Veterans Hwy dates to 2025 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Islandia Shopping Center Branch1862 Veterans Hwy, 11749
Citizens Bank · 1
Citizens has 1 branch in Islandia, 170 across New York and 977 nationwide. FDIC records list its main office in Providence, RI and show it operating since 2005. With $232.52 billion in total assets on June 30, 2026, it ranks No. 20 of 4,232 U.S. banks by total assets. The Islandia Branch at 2929 Expressway Dr N dates to 2020 in FDIC branch records. Its published hours do not list Saturday.
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Islandia Branch2929 Expressway Dr N, 11749
All hours
Mon to Fri 9 am to 5 pm; Sat to Sun not published
Hours: Citizens branch locator (All The Places), checked Oct 10, 2026
EverBank Bank · 1
EverBank has 1 branch in Islandia, 2 across New York and 43 nationwide. FDIC records list its main office in Jacksonville, FL and show it operating since 1998. With $46.69 billion in total assets on June 30, 2026, it ranks No. 52 of 4,232 U.S. banks by total assets. The Islandia Mtg Branch at 1377 Motor Pkwy dates to 2007 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Islandia Mtg Branch1377 Motor Pkwy, 11749
Flagstar Bank · 1
Flagstar has 1 branch in Islandia, 108 across New York and 345 nationwide. FDIC records list its main office in Hicksville, NY and show it operating since 1987. With $87.71 billion in total assets on June 30, 2026, it ranks No. 36 of 4,232 U.S. banks by total assets. The Islandia Branch at 1601 Veterans Hwy dates to 2015 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Islandia Branch1601 Veterans Hwy, 11749
OceanFirst Bank Bank · 1
OceanFirst Bank has 1 branch in Islandia, 37 across New York and 72 nationwide. FDIC records list its main office in Toms River, NJ and show it operating since 1902. With $23.17 billion in total assets on June 30, 2026, it ranks No. 93 of 4,232 U.S. banks by total assets. The Islandia Branch at 1707 Veterans Hwy dates to 2020 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
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Islandia Branch1707 Veterans Hwy, 11749
Suffolk Credit Union Credit union · 1
Suffolk Credit Union has 1 office in Islandia, 10 across New York. It is based in Medford, NY and $2.07 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.
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Islandia Branch1282 Motor Pkwy, 11749
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
Join a credit union in Islandia
1 credit union has 1 office here: Suffolk 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 Islandia page has every office in the state's directory.
Banking in Islandia: the local picture
Short answer: 5 banks run 5 branches in Islandia according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.
Of the 5 banks, 0 have their main office in Islandia, 1 elsewhere in New York and 4 out of state, according to the FDIC.
The bank with the longest record here is Chase, operating since 1824 according to the FDIC. In FDIC branch records, the longest-running branch is EverBank's office at 1377 Motor Pkwy, dating to 2007; the newest is Chase's at 1862 Veterans Hwy, from 2025.
The only credit union with an office here is Suffolk Credit Union.
Of the 2 locations with published hours. 1 opens on Saturday. 4 locations have no published hours in these sources.
Credit unions open on Saturday in Islandia
Short answer: 1 of the 2 Islandia locations with published hours opens on Saturday, run by 1 institution.
- Suffolk Credit Union: 1 of 1 office (1282 Motor Pkwy: Saturday 9 am to 2 pm)
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; 4 of the 6 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 Islandia, and where the nearest one is if they do not.
Short answer: In Islandia: Chase (1). No branches in Islandia: Wells Fargo (nearest in Lake Grove, 5 mi), Bank of America (nearest in Central Islip, 1 mi), PNC Bank (nearest in New York, 39 mi), U.S. Bank, Truist, Fifth Third Bank (nearest in New York, 42 mi), Huntington, Regions Bank, TD Bank (nearest in Hauppauge, 2 mi), BMO.
| Bank | In Islandia | Nearest branch if none here |
|---|---|---|
| Chase | 1 branch | here |
| Wells Fargo | None | Lake Grove, 5 miles away |
| Bank of America | None | Central Islip, 1 mile away |
| PNC Bank | None | New York, 39 miles away |
| U.S. Bank | None | none in New York |
| Truist | None | none in New York |
| Fifth Third Bank | None | New York, 42 miles away |
| Huntington | None | none in New York |
| Regions Bank | None | none in New York |
| TD Bank | None | Hauppauge, 2 miles away |
| BMO | None | none in New York |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Islandia 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%.
| Offer | Bank | APY | Term | Minimum |
|---|---|---|---|---|
| Savings | CIT Bank | 3.75% | none | $5,000 |
| Savings | Barclays | 3.50% | none | $0 |
| Savings | Marcus by Goldman Sachs | 3.40% | none | $0 |
| CD | Synchrony Bank | 4.35% | 60 Months | $0 |
| CD | Marcus by Goldman Sachs | 4.35% | 24 Months | $500 |
| CD | American Express National Bank | 4.25% | 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 Islandia residents like anyone else.
Banks near Islandia
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Central Islip (1 mile) and Hauppauge (3 miles). Hauppauge, 3 miles away, has the most banks nearby: 12.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Central Islip, NY | 1 mi | 2 | 2 |
| Banks in Hauppauge, NY | 3 mi | 12 | 13 |
| Banks in Smithtown, NY | 3 mi | 7 | 8 |
| Banks in Ronkonkoma, NY | 4 mi | 5 | 5 |
| Banks in Brentwood, NY | 4 mi | 3 | 3 |
| Banks in Bohemia, NY | 5 mi | 6 | 6 |
| Banks in Lake Grove, NY | 5 mi | 5 | 5 |
| Banks in Lake Ronkonkoma, NY | 5 mi | 3 | 3 |
Bank branch openings and closings in Islandia
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Islandia between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Largest banks in Islandia by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Islandia offices.
Short answer: Chase is the largest bank with offices in Islandia, with $4.09 trillion in total assets on June 30, 2026, No. 1 among U.S. banks by total assets. Citizens is second with $232.52 billion. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| Chase | $4.09 trillion | No. 1 | 1 | Columbus, OH |
| Citizens | $232.52 billion | No. 20 | 1 | Providence, RI |
| Flagstar | $87.71 billion | No. 36 | 1 | Hicksville, NY |
| EverBank | $46.69 billion | No. 52 | 1 | Jacksonville, FL |
| OceanFirst Bank | $23.17 billion | No. 93 | 1 | Toms River, NJ |
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 Islandia: FAQ
How many banks are in Islandia, NY?
Islandia has 5 banks with 5 branches and 1 credit union with 1 office, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.
Which bank has the most branches in Islandia?
Chase, with 1. Citizens has 1 and Flagstar has 1.
Is there a Chase in Islandia, NY?
Yes. FDIC data lists 1 Chase branch in Islandia as of September 5, 2026. The address and directions are under Chase above.
Is there a Citizens in Islandia, NY?
Yes. FDIC data lists 1 Citizens branch in Islandia as of September 5, 2026. The address and directions are under Citizens above.
Is there a Flagstar in Islandia, NY?
Yes. FDIC data lists 1 Flagstar branch in Islandia as of September 5, 2026. The address and directions are under Flagstar above.
Is there a Wells Fargo in Islandia, NY?
No. FDIC data lists no Wells Fargo branch in Islandia as of September 5, 2026. The nearest is in Lake Grove, about 5 miles away in a straight line.
Which banks in Islandia are open on Saturday?
Suffolk Credit Union publishes Saturday hours for one or more Islandia locations. The Saturday section above lists each one with its hours. 4 of the 6 locations here do not publish hours in the sources this page uses; call ahead.
What is the oldest bank in Islandia?
Chase has the longest record among banks with a branch here: the FDIC shows it operating since 1824.
Which credit unions can I join in Islandia?
Suffolk Credit Union has an office in Islandia. Check each credit union's membership rules before you apply.
Did any bank branches open or close in Islandia 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 Islandia?
Nearby cities with more banks include Central Islip, Hauppauge, Smithtown. Central Islip is 1 miles away with 2 banks.
How we build this page
Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.
| Data | Source | License | Updated | Data as of |
|---|---|---|---|---|
| FDIC-insured banks: branches, main offices, total assets, dates established | FDIC BankFind Suite API | Public data (U.S. government) | Monthly import | Sep 5, 2026 |
| Credit union offices, phones and hours as filed with the NCUA, total assets | NCUA call report data | Public data (U.S. government) | Quarterly import | Mar 31, 2026 |
| Map coordinates of 1 credit union offices whose NCUA record has none, from the office address | U.S. Census Bureau Geocoder | Public data (U.S. government) | With each NCUA import | Oct 19, 2026 |
| Bank branch hours, phones and branch pages (1 of 5 branches: Citizens) | The banks' own branch locators, collected by All The Places | CC0 (All The Places data); each bank's locator is the primary source | Weekly spider run, monthly refresh here | Oct 10, 2026 |
| Savings and CD rates, national averages | Banrox Bank Rates | Banrox, from the banks' own rate pages and FDIC national rates | Weekly | see each rate |
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