Rinkai Park is a children's playground next to Rinkai Elementary School, a four-minute walk from Monzennakacho Station in Tokyo. It has play equipment including a roller slide, rope climbing, a suspension bridge, a sandbox, and swings. After renovation in 2020 and 2021, the grounds are divided into a playground and an athletic area, with restrooms, drinking fountains, and benches. The park is small in area.