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Events & Recreation

Museums & Galleries in Nassau County, NY

49 museums or galleries listed · Updated Oct 27, 2026

Find museums, art galleries and historic sites in Nassau County.

Avahere lists 49 museums or galleries across 26 Nassau County towns. Of these, 6 show a public phone number, 29 link to a website and 5 list a street address. The most listings are in Oyster Bay (8), Port Washington (5), Garden City (3). None of these businesses has claimed its page yet, so the details come from public business records.

49 results

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Towns with museums & galleries

26 Nassau County towns, A–Z. Pick yours to see local listings.

Museums & Galleries in Nassau County: common questions

How many museums or galleries are in Nassau County, NY?
Avahere lists 49 museums or galleries across 26 towns in Nassau County.
How do I contact a museum or gallery 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 museum or gallery 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.