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Banks & Credit Unions in Oyster Bay, NY

4 banks listed · Updated Oct 27, 2026

Find banks and credit unions in Oyster Bay with branch locations and contact details.

Avahere lists 4 banks in Oyster Bay, NY (11771). Of these, 3 link to a website. Oyster Bay is a hamlet in the Town of Oyster Bay; this page also covers Centre Island, Cove Neck, Oyster Bay Cove. Nearby, East Norwich has 1 and Locust Valley has 5. None of these businesses has claimed its page yet, so the details come from public business records.

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More banks & credit unions near Oyster Bay

Listed in nearby towns. Many local businesses travel to customers across the area.

Banks & Credit Unions in Oyster Bay: common questions

How many banks are in Oyster Bay, NY?
Avahere lists 4 banks in Oyster Bay. Nearby you'll also find 1 in East Norwich, 5 in Locust Valley, 12 in Syosset.
How do I contact a bank listed here?
Open the business page to see what the business has shared, such as its website, phone and location. Claimed businesses keep their own details up to date.
I run a bank business. How do I update my listing?
Find your business and choose "Claim it free". After a quick check you can edit your details, add services and photos, and answer customers at no cost.
Is Avahere free?
Yes. Avahere is free for customers and for businesses. There are no lead fees, and businesses cannot pay to rank higher.

Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.