Belluna Dome, formerly known as Seibu Dome and MetLife Dome, is a distinctive multi-purpose stadium located in Tokorozawa, Saitama Prefecture. It serves as the home ground for the Seibu Lions professional baseball team and is notable for its unique architectural design: a dome structure with an open-air feel, allowing natural elements like wind to enter while providing protection from rain. This design aims to combine the benefits of an indoor stadium with the atmosphere of an outdoor venue, making it a significant landmark for sports and entertainment in the region.
Visitors frequently highlight the stadium's vibrant atmosphere during baseball games, with many noting the enthusiastic Japanese fans, constant singing, and cheering. The food options available at the stadium receive high praise, with some reviewers calling it the best stadium food in Japan. Specific recommendations include pizza from L&L. Reviewers also appreciate the good sightlines and the feeling of being close to the players, enhancing the overall game-watching experience. The unique open-air design is often mentioned as a positive, allowing for a breeze, though it also leads to temperature challenges.
When planning a visit, be aware that despite being a 'dome,' the stadium lacks temperature control. Reviewers consistently warn that it can be extremely hot in summer and cold in winter. Dressing in layers and bringing appropriate clothing for the season is highly recommended. Many suggest purchasing ice cream from vendors during summer games to combat the heat. The recommended duration for a visit is 2-3 hours, primarily to enjoy a game or event. Arriving early allows time to explore food stalls and soak in the pre-game atmosphere. Consider visiting during the baseball season (typically spring to autumn) for the full experience.
Access to Belluna Dome, while convenient from Seibukyujo-mae Station (a 0-minute walk), is noted by several visitors as being somewhat far from central Tokyo. Direct trains from Shinjuku or Shibuya are often available on game days, making the journey easier. For those coming from the Seibu Shinjuku line or Seibu Ikebukuro line, it is considered very convenient. Drivers note it's about a 30-minute drive from Yokota Air Base, and tickets are reasonably priced and can be purchased at convenience stores.
The primary complaint revolves around the lack of temperature control due to the open-sided dome design. Visitors describe summer games as 'hell' due to the intense heat and sweating, while winter visits can be very cold. To mitigate this, check the weather forecast and dress accordingly. Hydration is key in summer, and warm layers are essential in winter. Despite this, many reviewers emphasize that the unique atmosphere and excellent game experience outweigh these comfort issues.




