after jumping on a last minute opportunity to spend NYE in DXB, I also spent 2 nights in DOH on the return back to the US and booked a room at Doha Marriott. A few things:

Check-in: there was about 40 people from Qatar Airways with vouchers who appear to have been on a flight cancellation and thankfully they all queued in one line and I was able to use the Elite line in a matter of seconds (through app check-in). No comment or recognition from check-in desk on elite membership.

Room: when we walked into our room on the 5th floor we realized we were facing the opposite direction from the city and into a gravel pit. The room was a standard room with a king size bed. I called back to the front desk to ask about changing rooms to a better view, was told they would call back in 5 minutes. 20 minutes later I went down to the front desk and spoke with the same individual who had checked us in and during the discussion about changing rooms, I asked about an upgrade as they were all available to still book. Employee stated, "we are not owned by Marriott, so we do not acknowledge elites or offer upgrades". I kinda stood there dumbfounded, not even know what to say in return. Finally, we were offered a room facing the water and downtown, but would be a few hours before it was ready. We accepted and went to the city. Upon returning later, the room was the same room as the other side, just a different side of the building but facing downtown and overlooking the pool. If you are in the old building, each room has a balcony, which is a major plus for me!

Lounge: I must say, one of the most enjoyable lounges I have been in, with the top floor view overlooking the skyline of Doha. Also, a massive walkout balcony with great views.

Restaurants: plenty of options, with a steakhouse, hibachi, mexican, american.

Pool/Beach: private beach with cabanas on the beach. The pool is in a bad position with the new tower directly in the sunlight, so the pool barely has any sunlight after 12 noon.

Overall: pretty good property, although it gets a downgrade on its handling of elite membership. An upgrade should not mean you are given a room with two single beds in a standard room simply b/c you are facing downtown.