Hyatt Regency Long Island

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Close proximity to area hospitals. The Hyatt Regency is the hidden gem of Long Island. Our Hauppauge, NY hotel is close to the following hospitals: St Catherine of Sienna, Good Samaritan, StonyBrook and Southside, and offers special rates to medical, military and government personnel.Close proximity to area hospitals. The Hyatt Regency is the hidden gem of Long Island. Our Hauppauge, NY hotel is close to the following hospitals: St Catherine of Sienna, Good Samaritan, StonyBrook and Southside, and offers special rates to medical, military and government personnel.