Luxury riverside condominium for sale in Bangkok. Located on the most scenic bend of the Chaopraya River, Watermark offers luxury condominium units by the river on an 11-rai freehold land site. Its location is close to Sathon Bridge, allowing residents to conveniently access downtown Bangkok. This residential development comprises 486 units in 2 high-rise buildings. Full facilities are provided at the property, including a pool deck alongside the swimming pool, tennis court, jogging track, library and games room.