Towards the west, both Reclining Alligator Island and the oceanic scenery of Cingshueiao are in a full view. Dongao Dongao () is a port located in the east of Siyin, facing Beiao () of Dongyin in distance. Before the jetties were built between Dongyin and Xiyin (Siyin), Dongao was one of the important transportation hubs on Xiyin (Siyin). Lack of vast tidal flats in Dongyin, the pebble beach in Dongao is one of few ports that give easy access to the sea. It's the best spot to enjoy the sights of coastal landforms, such as sea arches, sea gulfs, cliffs, and wave-cut platforms. Houao Houao (Hauao) () is on the windward side against the North Wind. The hills are all covered with grass, maintaining ecological primitiveness. Representative native plant species can be found on this immense hillside, such as Lycoris radiata Herb (紅花石蒜), Lycoris sprengeri (), Guizotia abyssinica (), and Pittosporum (), and so on. In addition, Hauao is the scenic spot where the most abundant geological features can be found in Dongyin. All different forms of cliff erosion can be easily spotted here, including sea arches, sea stacks, and sea coves. The Northernmost Frontier Walking towards the west from Houao (Hauao) (), passing a 200-meter wide concrete path, here comes the northernmost tip of the territory of R.O.C. (Taiwan), Northernmost Frontier (). In 2006, it was developed into a scenic spot and a stone monument inscribed with Northernmost Frontier () was erected. Since then, it has become a must-see for tourists visiting Dongyin. Out from the observatory, the north is the endless sea, and the west is the Luohanping (Lohan Flat) (), aka Three-Colored Stone (). Monk Reading the Scripture Monk Reading the Scripture () is at Stronghold No. 26 () in Xiyin (Siyin). Facing Zhongzhu Harbor, the huge stone on the hillside stands erect, as if it were a monk, reading Tipitaka scripture, indifferent to the mundane matters. Therefore, it's called 'Monk Reading the Scripture'. Army is still stationed at Stronghold No.26. Tourists are not allowed to enter. At dusk, looking towards the west on Dongyin, there are views of Monk Reading the Scripture in sight and rays of evening sunlight in the backdrop. Ecology Gulls and terns Dongyin is located to the southwest of the Zhoushan Archipelago, one of the three world-class fisheries. The nearby water has an influx of cold and warm ocean currents, creating ideal