According to the website:
Navy Federal Credit Union is a financial institution that serves the military community and their families in the United States. This branch is located in Islip, Town of, NY. Navy Federal Credit Union is well-capitalized and federally insured, making it a safe and reliable choice for its members.
Products and services they offer:
The credit union offers low fees, great rates and discounts, and a variety of services such as loans, savings, checking, credit cards and more.