Chiba Marine Stadium is a multi-purpose stadium located in Chiba, Japan. Opened in 1990, it primarily serves as the home ground for the Chiba Lotte Marines, a professional baseball team in Nippon Professional Baseball. The stadium has a seating capacity of approximately 30,000 and features a unique design that includes a retractable roof. In addition to baseball, Chiba Marine Stadium hosts various events, including concerts and other sports. The facility is known for its modern amenities and fan-friendly atmosphere, making it a popular destination for both locals and visitors. Its location near Tokyo Bay adds to its appeal.