Neipi Beach is located at the outside of Nanfangao Harbor, Su'ao Township, Yilan County. The sand land is curved. It is a beach of marine deposit with mixing fine sand and rubbles. The landscape of sea and sky is elegant and beautiful. There are marine abrasion landforms here such as sea cape, sea cliff, and reef at the bottom of the sea. The golden sunset shines brightly and the sound of waves is heard. There are planned facilities here such as tourist pavilion, coastal pathway, and parking lot. Taiwan aglaia and Taiwan pittosporum are grown here, too. Many people are attracted to fish and have fun here on holidays. The bottom of the sea around this area is uneven so there are usually undercurrents under the sea. Tourists playing in water must take care of the safety.