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I've created headings similar to the lounge thread to organize properties. (USA locations followed by worldwide).
I'd suggest listing properties as: CITY / PROPERTY NAME / CLOSED UNTIL DATE (date if known, or other details about reduced service) / UPDATE DATE

USA

Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delaware
Florida
Georgia

Hawaii
*Oahu - Royal Hawaiian. Closed. Available for booking on website from Dec 1, 2020 / Updated Oct 19, 2020
* Maui / Wailea Beach Resort, Marriott, Maui / Closed. Available for booking on website from Nov 1, 2020 / Updated Oct 19, 2020
* Maui / Sheraton Maui Resort & Spa / Closed. Available for booking on website from Nov 1, 2020 / Updated Oct 19, 2020
* Mauna Kea Beach Hotel, Big Island / Closed March 25th. Opening Nov 1st 2020

Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky

Louisiana
* New Orleans / Sheraton New Orleans / Closed until Nov 20 / Updated Oct 19, 2020

Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia

Washington D.C.
* Washington DC / Marriott Marquis / Closed. Available for booking on website from Jan 2, 2021 / Updated Oct 19, 2020

Washington State
West Virginia
Wisconsin
Wyoming

Worldwide

Algeria
Argentina
Armenia
Aruba
Australia
Austria
Azerbaijan
Bangladesh
Bahamas
Bahrain
Bangladesh
Belarus
Belgium
Bosnia Herzegovina
Brazil
Cambodia
Canada
Cayman Islands
Chile
China
Colombia
Costa Rica
Croatia
Curacao
Cyprus
Czech Republic
Denmark
Dominican Republic
Ecuador
Egypt
England/United Kingdom
Estonia
Ethiopia
Fiji
Finland
France
French Polynesia
Gabon
Georgia
Germany
Ghana
Greece
Guam
Guinea
Guyana
Haiti
Honduras
Hungary
India
Indonesia
Ireland
Israel
Italy
Japan
Jordan
Kazakhstan
Kenya
Kuwait
Kyrgyzstan
Macedonia
Malaysia
Maldives
Malta
Mauritius
Mexico
Morocco
Nepal
Netherlands
Nigeria
Oman
Pakistan
Panama
Paraguay

Peru
* Urubamba / Tambo Del Inca / Closed. Reservations not accepted on website until Dec 1 / Updated Oct 19 2020

Philippines
Poland
Portugal
Puerto Rico
Qatar
Romania
Russia
Rwanda
Saint Kitts & Nevis
Samoa
Saudi Arabia
Serbia
Seychelles
Singapore
Slovakia
South Africa
South Korea
Spain
Sri Lanka
Sweden
Switzerland
Taiwan
Thailand
Turkey
Uganda
United Arab Emirates
Venezuela
Vietnam
Virgin Islands (British)
Virgin Islands (US)