The fire started in a home on North Windsor Avenue at around 1:30 a.m. and spread to two others.
Firefighters battled heavy flames and winds, which quickly spread the fire.
A woman was discovered dead in a section of a home that collapsed in the blaze.
A man who lived in the home was treated for injuries at a local hospital. Another man escaped injury.
The Red Cross says four adults and one child have been displaced.
The cause of the fire is under investigation and the woman's identity has not yet been released.
ALSO READ | Long Island farm forced to kill entire flock of 100,000 ducks amid bird flu outbreak
Long Island farm forced to kill 100,000 ducks amid bird flu outbreak
----------
* More Long Island news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube