Join Date: May 2018
Location: Muscat/Doha/Manchester
Programs: Oman Air Gold, Qatar Airways Platinum, Marriott Ambassador, HH Diamond, GHA Black, Hyatt Globalist
Posts: 478
Stayed at both, I generally prefer the W due to its location is more convenient, however Westin has a much better fitness/pool/spa scene than W.
Lounge at both is a comparable (JW Marriott is better and Sheraton is the best out of the group)