The last full-size Kmart store in the continental U.S. is set to close in October, marking the end of the line for the retailer once known for its "Blue Light Specials." Why it matters: After the Bridgehampton,

The once-iconic Kmart, famous for its Blue Light Specials, is closing its last full-scale store in the U.S., marking the end of an era for the retail giant. Located in Bridgehampton, New York, the store is set to close its doors on October 20, leaving only a small Kmart in Miami and a few stores in Guam and the U.S. Virgin Islands.

The last full-sized Kmart store in the U.S., located in Bridgehampton, N.Y., will close on Oct. 20, marking the end of an era.

It opened in 1999 in a space that had been vacated by Caldor, a now-defunct discount retailer that filed for bankruptcy in 1995.

Attention, Kmart shoppers, the end is near! The erstwhile retail giant renowned for its Blue Light Specials — featuring a flashing blue orb affixed to a pole enticing shoppers to a flash sale — is shuttering its last full-scale store in mainland United States.

Kmart, a big-box retailer that once reigned over its competition in the 1990s, is set to close its doors at Bridgehampton Commons in the Hamptons on Oct. 20, Newsday reported. The store at 2044 Montauk Highway has been operating for 25 years.