Nestled in the picturesque region of Shima, Japan, the Yokoyama Observatory Deck offers a unique beach experience unlike any other. Although not a beach in the traditional sense with expansive sands, the observatory provides breathtaking views of the coastline's rugged beauty, including the famous Ago Bay's ria coastline. While direct beach activities such as swimming, sunbathing, or beach volleyball are not available here, visitors can immerse themselves in nature walks, sightseeing, and photography, capturing the stunning panorama of land meeting the sea. Yokoyama Observatory Deck has few amenities, so plan your trip accordingly, although it does provide an unparalleled scenic vista and serene environment for those looking to enjoy the serene beauty of Japan's coast.