Here is the complete list of participating Prive properties with the 3rd night free. Again, this is combinable with all other Prive benefits. Must book by September 30, 2020 for stays between June 01, 2020 - March 31, 2021:

Palacio Duhau - Park Hyatt Buenos Aires
Park Hyatt Abu Dhabi
Park Hyatt Auckland
Park Hyatt Aviara
Park Hyatt Bangkok
Park Hyatt Changbaishan
Park Hyatt Chennai
Park Hyatt Doha
Park Hyatt Dubai
Park Hyatt Hamburg
Park Hyatt Hangzhou
Park Hyatt Istanbul
Park Hyatt Jeddah
Park Hyatt Kyoto
Park Hyatt Maldives
Park Hyatt Mallorca
Park Hyatt Mendoza
Park Hyatt Milan
Park Hyatt New York
Park Hyatt Ningbo Resort and Spa
Park Hyatt Niseko Hanazono
Park Hyatt Paris-Vendôme
Park Hyatt Saigon
Park Hyatt Sanya Sunny Bay Resort
Park Hyatt Seoul
Park Hyatt Shanghai
Park Hyatt Siem Reap
Park Hyatt St. Kitts
Park Hyatt Tokyo
Park Hyatt Vienna
Park Hyatt Zanzibar
Park Hyatt Zurich
Miraval Arizona Resort and Spa
Miraval Austin Resort and Spa
Andaz 5th Avenue
Andaz Amsterdam
Andaz Capital Gate Abu Dhabi
Andaz Costa Rica Resort at Peninsula Papagayo
Andaz Delhi
Andaz Dubai the Palm
Andaz London
Andaz Maui
Andaz Mayakoba
Andaz Munich
Andaz San Diego
Andaz Savannah
Andaz Scottsdale
Andaz Singapore
Andaz Tokyo
Andaz Vienna
Andaz Wall Street
Andaz West Hollywood
Andaz Xintiandi, Shanghai
Alila Bangsar Kuala Lumpur
Alila Diwa Goa
Alila Fort Bishangarh
Alila Jabal Akhdar
Alila Mangis
Alila SCBD Jakarta
Alila Solo
Alila Ubud
Alila Villas Uluwatu
Alila Wuzhen
Diwa Club, by Alila
Ventana Big Sur, An Alila Resort
Carmel Valley Ranch
Carmelo Resort & Spa
Chicago Athletic Association
Great Scotland Yard
Holston House Nashville
Hotel SOFIA Barcelona
Hôtel Martinez
Hôtel du Louvre
Párisi Udvar Hotel Budapest
Royal Palms Resort and Spa
The Bellevue Hotel
The Confidante Miami Beach
The Driskill
The Eliza Jane
Hyatt Paris Madeleine
Grand Hyatt Abu Dhabi Hotel & Residences Emirates Pearl
Grand Hyatt Athens
Grand Hyatt Atlanta in Buckhead
Grand Hyatt Baha Mar
Grand Hyatt Bali
Grand Hyatt Beijing
Grand Hyatt Berlin
Grand Hyatt Bogota
Grand Hyatt Chengdu
Grand Hyatt Doha Hotel & Villas
Grand Hyatt Dubai
Grand Hyatt Erawan Bangkok
Grand Hyatt Goa
Grand Hyatt Hangzhou
Grand Hyatt Jakarta
Grand Hyatt Kauai Resort & Spa
Grand Hyatt Kochi Bolgatty
Grand Hyatt Macau
Grand Hyatt Melbourne
Grand Hyatt Mumbai & Residences
Grand Hyatt Muscat
Grand Hyatt New York
Grand Hyatt Playa del Carmen Resort
Grand Hyatt Rio de Janeiro
Grand Hyatt San Francisco
Grand Hyatt Seattle
Grand Hyatt Seoul
Grand Hyatt Shanghai
Grand Hyatt Singapore
Grand Hyatt São Paulo
Grand Hyatt Tokyo
Grand Hyatt Vail
Grand Hyatt Washington
Hyatt on the Bund, Shanghai
Manchester Grand Hyatt San Diego
Hyatt Regency Aruba Resort Spa and Casino
Hyatt Regency Austin
Hyatt Regency Barcelona Tower
Hyatt Regency Cartagena
Hyatt Regency Casablanca
Hyatt Regency Chantilly
Hyatt Regency Chennai
Hyatt Regency Chesapeake Bay Golf Resort, Spa and Marina
Hyatt Regency Coconut Point Resort and Spa
Hyatt Regency Coral Cables
Hyatt Regency Dar es Salaam, Kilimanjaro
Hyatt Regency Dubai Creek Heights
Hyatt Regency Dusseldorf
Hyatt Regency Hakone Resort and Spa
Hyatt Regency Hesperia Madrid
Hyatt Regency Hill Country Resort & Spa
Hyatt Regency Hong Kong, Tsim She Tsui
Hyatt Regency Hua Hin
Hyatt Regency Huntington Beach Resort and Spa
Hyatt Regency Indian Wells Resort & Spa
Hyatt Regency Istanbul Ataköy
Hyatt Regency Kathmandu
Hyatt Regency Kiev
Hyatt Regency Kyoto
Hyatt Regency Lake Tahoe Resort, Spa & Casino
Hyatt Regency London-The Churchill
Hyatt Regency Lost Pines Resort and Spa
Hyatt Regency Mainz
Hyatt Regency Mexico City
Hyatt Regency Mission Bay Spa and Marina
Hyatt Regency Moscow Petrovsky Park
Hyatt Regency Newport Beach
Hyatt Regency Nice Palais de la Méditerranée
Hyatt Regency Orange County
Hyatt Regency Phuket Resort
Hyatt Regency San Francisco
Hyatt Regency Sarasota
Hyatt Regency Savannah
Hyatt Regency Seragaki Island, Okinawa
Hyatt Regency Sharm El Sheikh Resort
Hyatt Regency Sonoma Wine Country
Hyatt Regency Taghazout
Hyatt Regency Tamaya Resort and Spa
Hyatt Regency Thessaloniki
Hyatt Regency Washington on Capital Hill
Hyatt Regency Westlake
Hyatt Centric 39th & 5th New York
Hyatt Centric Candolim Goa
Hyatt Centric French Quarter New Orleans
Hyatt Centric Gran Via Madrid
Hyatt Centric Guatemala City
Hyatt Centric Key West Resort & Spa
Hyatt Centric Las Condes Santiago
Hyatt Centric San Isidro Lima
Hyatt Centric Santa Barbara
Hyatt Centric South Beach Miami
Hyatt Centric Times Square New York
Hyatt Centric Waikiki Beach
The Talbott Hotel
Hotel Revival Baltimore
Hotel 50 Bowery
Gild Hall, a Thompson Hotel
The Cape, a Thompson Hotel
Thompson Chicago
Thompson Nashville
Thompson Playa del Carmen Beach House
Thompson Playa del Carmen Main House
Thompson Seattle
Thompson Washington D.C.
Thompson Zihuatanejo, a Beach Resort
Motif Seattle
Quirk Hotel Richmond
The Carolina Inn
The Lodge at Kukui'ula
Wailea Beach Villas