Actually some Marriott properties are, including winning awards.

If you're talking a suburban Marriott in fly-over country, probably not. But I doubt many suburban SPG properties in fly-over country do either.

There have been a # of properties specializing in cocktails or certain culinary experiences (and I'm not just talking Ritz) & even large parties w/ kick-offs surrounding them. Even one a few days ago in Miami Beach. and another a few months ago:

But getting back on topic:

Ritz Carlton Michelin Star Restaurants

"The Ritz-Carlton Hotel Company, L.L.C was awarded seventeen Michelin Stars, with Summer Pavilion at The Ritz-Carlton, Milenia Singapore, Lai Heen at The Ritz-Carlton, Macau, Lab by Sergi Arola at Penha Longa Resort, and Jin Xuan at The Ritz-Carlton Shanghai, Pudong all earning their first Michelin Star. The seventeen stars across ten restaurants within Asia and Europe...

Michelin Stars for 2017:

* AQUA, The Ritz-Carlton, Wolfsburg: 3 Michelin Stars
* M.B., The Ritz-Carlton, Abama: 2 Michelin Stars
* Enoteca, The Ritz-Carlton, Barcelona: 2 Michelin Stars
* Tin Lung Heen, The Ritz-Carlton, Hong Kong: 2 Michelin Stars
* Kabuki, The Ritz-Carlton, Abama: 1 Michelin Star
* Il Ristorante, Bulgari, Tokyo: 1 Michelin Star
* Tosca, The Ritz-Carlton, Hong Kong: 1 Michelin Star
* Azure 45, The Ritz-Carlton, Tokyo: 1 Michelin Star
* Summer Palace, The Ritz-Carlton, Millenia Singapore: 1 Michelin Star
* Lai Heen, The Ritz-Carlton, Macau: 1 Michelin Star
* Jin Xuan, The Ritz-Carlton, Shanghai: 1 Michelin Star
Lab by Sergi Arola, Penha Longa Resort: 1 Michelin Star"

Cheers.