The stadium has a few notable features for fans that are worth calling out (source: Wikipedia): Baseball Museum of the Pacific Northwest – pays homage to now-defunct professional baseball teams that played in Washington, Oregon, Idaho, Montana, and British Columbia before the establishment of the Mariners in 1977.
Mariners Hall of Fame – features bronze plaques of the four inducted members – Jay Buhner, Alvin Davis, Edgar Martínez, and broadcaster Dave Niehaus.
Various public art displays
– A chandelier made of 1,000 resin baseball bats above the home plate entry. A companion 27-foot diameter compass rose mosaic at the home plate rotunda captures a number of elements in the history of baseball.
– “Quilts” depicting each MLB team logo, made from recycled metal including license plates from the respective teams’ states (or the province of Ontario in the case of the Toronto Blue Jays, or the District of Columbia in the case of the Washington Nationals).
– Stainless steel cutouts of players in various poses while catching, batting, fielding, and pitching, integrated into the fences at the stadium’s four main gates.
– Sculptures depicting hands gripping baseballs for various types of pitches along the west facade of the garage.
– A 9-foot-tall (2.7 m) bronze baseball glove, “The Mitt”, that has become an icon for Safeco Field.
– “The Defining Moment”, a mural depicting Edgar Martinez’s famed “The Double”.
– Children’s Hospital Wishing Well which features a bronze statue of a child in batting position, and includes a geyser effect used at the beginning of games and when the opposing team hits a home run.
– Porcelain enamel on steel flag-mounted banner-panels depicting “Positions of the Field”.