Dugouts and Bullpens
The Seattle Mariners dugout is located in front of sections 121-124, and the visitors dugout is located in front of sections 136-139. Both teams bullpens are located in front of the left field sections, and directly next to sections 152.
Premium Seating
The Seattle Mariners and T-Mobile Park offer a few premium seating options for Mariners fans to choose from. The Diamond Club Seats are located right behind home plate, with food, drink, and parking included in the price of admission. The seat backs are padded in these sections as well. In the 200 level sections, many seats will include a concession voucher for varying amounts (between $5-$10), waitress service, lounge access, and padded seats.
Kid's Clubhouse
If you are taking the whole family to a Mariner's game, you may want to consider tickets close to the Center Field Plaza, which is where the Kid's Clubhouse is located. From toddlers to teens, there are plenty of cool stuff for kids to keep them entertained.
Field Dimensions
The dimensions of T-Mobile Park are as follows (all measurements from home plate): 331ft to Left-Field, 378ft to Left-Center, 401ft to Center-Field, 381ft to Right-Center, and 326ft to Right-Field. It is 55ft from home plate to the backstop.