Banks in West Islip, NY

Bank branch map: West Islip

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: 3 banks and credit unions operate 3 locations in West Islip, according to the FDIC. 3 of them have coordinates on record and are on the map. 2 publish opening hours.

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 in West Islip

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

Short answer: Chase, Bank of America and Santander have the most locations in West Islip, with 1 each. 3 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.

Bank of America Bank of America, National Association · 1 branch · main office Charlotte, NC Bank · 1

Bank of America has 1 branch in West Islip, 251 across New York and 3,598 nationwide. FDIC records list its main office in Charlotte, NC and show it operating since 1904. With $2.65 trillion in total assets on June 30, 2026, it ranks No. 2 of 4,232 U.S. banks by total assets. The West Islip Branch at 540 Montauk Hwy dates to 1972 in FDIC branch records. It opens on Saturday.

• West Islip Branch

  540 Montauk Hwy, 11795

  (631) 661-1001Today 9 am to 4 pm

  All hours

  Mon closed; Tue to Fri 9 am to 4 pm; Sat 9 am to 2 pm; Sun closed

  Hours: Bank of America branch locator (All The Places), checked Oct 10, 2026

  DirectionsBranch page

Bank of America: profile, branches and contacts

Chase JPMorgan Chase Bank, National Association · 1 branch · main office Columbus, OH Bank · 1

Chase has 1 branch in West Islip, 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 West Islip Branch at 251 Higbie Ln dates to 1956 in FDIC branch records. It opens on Saturday.

• West Islip Branch

  251 Higbie Ln, 11795

  (631) 422-7982Today 9 am to 5 pm

  All hours

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

  Hours: Chase branch locator (All The Places), checked Oct 10, 2026

  DirectionsBranch page

Chase: profile, branches and contacts

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

Santander has 1 branch in West Islip, 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 West Islip Branch at 526 Union Blvd dates to 1978 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.

• West Islip Branch

  526 Union Blvd, 11795

  Hours: see the bank's site
  DirectionsWebsite

Santander: profile, branches and contacts

Banking in West Islip: the local picture

Short answer: 3 banks run 3 branches in West Islip 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 3 banks, 0 have their main office in West Islip and 3 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 Chase's office at 251 Higbie Ln, dating to 1956; the newest is Santander's at 526 Union Blvd, from 1978.

Of the 2 locations with published hours. 2 open on Saturday. 1 location has no published hours in these sources.

Banks open on Saturday in West Islip

Short answer: 2 of the 2 West Islip locations with published hours open on Saturday, run by 2 institutions.

• Chase: 1 of 1 branch (251 Higbie Ln: Saturday 9 am to 2 pm)
• Bank of America: 1 of 1 branch (540 Montauk Hwy: Saturday 9 am to 2 pm)

Bank branches show hours only where the bank publishes them in a source this page uses; 1 of the 3 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 West Islip, and where the nearest one is if they do not.

Short answer: In West Islip: Chase (1), Bank of America (1). No branches in West Islip: Wells Fargo (nearest in Huntington Station, 10 mi), PNC Bank (nearest in New York, 35 mi), U.S. Bank, Truist, Fifth Third Bank (nearest in New York, 35 mi), Huntington, Regions Bank, TD Bank (nearest in West Babylon, 3 mi), BMO.

Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of West Islip 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%.

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 West Islip residents like anyone else.

Banks near West Islip

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

Short answer: The closest towns with more choice are Babylon (1 mile) and West Babylon (2 miles). Bay Shore, 3 miles away, has the most banks nearby: 8.

Bank branch openings and closings in West Islip

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

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

Largest banks in West Islip by total assets

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

Short answer: Chase is the largest bank with offices in West Islip, with $4.09 trillion in total assets on June 30, 2026, No. 1 among U.S. banks by total assets. Bank of America is second with $2.65 trillion. Local deposit shares will follow once the FDIC Summary of Deposits is imported.

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 West Islip: FAQ

How we build this page

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