Safeco Field is a baseball stadium located in Seattle, Washington. It is the home of the Seattle Mariners, a Major League Baseball team. Opened in 1999, the stadium features a retractable roof, allowing games to be played in various weather conditions. The stadium has a seating capacity of approximately 47,000 and offers a variety of amenities, including restaurants and fan zones. Safeco Field is known for its unique design, which incorporates elements of the surrounding city and waterfront, making it a popular destination for both sports fans and tourists.