Beneath the surface of the water they are a creamy turquoise, and when the skyisclear, as it is now, the cerulean reflection on the sea is otherworldly.
Our only feedback for ASUS here is that the locations of some of the photos were a bit off (for instance, this author was never on the north bank in the above map), which is weird considering the sky was clear at the time, plus there weren't many tall buildings.