On my recent trip to SEA I had a pretty noisy experience at an Airbnb. The place was part of a huge apartment complex, and our unit shared an entryway with another Airbnb unit. It was like one main door as usual, but then a small room/hallway with two more doors to two separate airbnbs (just 1/2 bedrooms and a living room/kitchen). The host probably separated a normal apartment. We noticed some noises going on next door. It looked like those guests were only there for a night because we saw kids' shoes outside the next day. They were speaking (or more like screaming) kind of an asian language, but I couldn't tell which one. The craziest part was the noise. The moaning started at around 4 PM. When we left for an evening-city-tour and got back at around 10 PM it was still going on. The walls were so thin, it felt like we were right there with them. I couldn't get a longer recording but I didn’t want to look weird, especially since I wasn’t by myself. Pretty sure anyone walking by could hear it all too.