Looking at the 1 page prospectuses (prospectii?) for different brands that Marriott's Development arm are offering, here's what competitors are identified for some of their Luxury Brands:

JW Marriott:
TARGET COMPETITORS

• Conrad
• Fairmont
• Grand Hyatt
• Shangri-La

St. Regis:
Target Competitors

• Four Seasons
• Mandarin Oriental
• The Peninsula
• Park Hyatt
• Rosewood

The Luxury Collection:
TARGET COMPETITORS

• Leading Hotels of the World
• Rosewood Hotels and Resorts
• Waldorf Astoria
• Four Seasons Hotels and Resorts

The Ritz-Carlton:
Key Competitors:

• Four Seasons
• Mandarin Oriental
• The Peninsula

W Hotels:
Target Competitors

• The Standard Hotels
• Morgans Hotel Group
• The Thompson

No competitors identified for Bulgari or Edition.

David