Emerald and Amethyst are on the top floor in the first building. With your back to the sea, Emerald is on the left, Amethyst is on the right. Amber is in the first floor in the same building. Opal, Coral and Pearl are in the second building. Opal is in the middle of ground floor. Coral and Pearl are on the left on the first floor; Coral is on the left and Pearl is in the middle when you look at from the sea.