Mar-a-Lago...the "Winter White House" 🇺🇸

"On the death of Ms Post in 1973, she bequeathed the 17-acre estate to the federal government as a Winter White House for the use of presidents and visiting dignitaries. However, neither the Nixon nor Carter administrations were interested in using it."

"A number of security upgrades were made..."

"A Sensitive Compartmented Information Facility (SCIF) for communications with the White House Situation Room and Pentagon was added." https://www.independent.co.uk/news/world/americas/trump-mar-a-lago-history-palm-beach-florida-b1780645.html