| Dominican Summer League | 08/19 15:00 | - | DSL White Sox v DSL Mariners | L | 10-8 | |
| Dominican Summer League | 08/18 15:00 | - | DSL Mariners v DSL Arizona Black | W | 11-1 | |
| Dominican Summer League | 08/16 14:00 | - | DSL Giants Orange v DSL Mariners | L | 3-1 | |
| Dominican Summer League | 08/15 15:00 | - | DSL Mariners v DSL Arizona Red | L | 4-7 | |
| Dominican Summer League | 08/14 15:00 | - | DSL Mariners v DSL Colorado | L | 2-5 | |
| Dominican Summer League | 08/12 15:00 | - | DSL Phillies v DSL Mariners | W | 0-12 | |
| Dominican Summer League | 08/11 15:00 | - | DSL Mariners v DSL Cubs Red | W | 5-0 | |
| Dominican Summer League | 08/09 14:00 | - | DSL Rangers Red v DSL Mariners | W | 4-6 | |
| Dominican Summer League | 08/08 15:00 | - | DSL Twins v DSL Mariners | L | 7-5 | |
| Dominican Summer League | 08/07 15:00 | - | DSL Mariners v DSL White Sox | W | 3-1 | |
| Dominican Summer League | 08/05 15:00 | - | DSL Pirates Black v DSL Mariners | L | 7-6 | |
| Dominican Summer League | 08/04 15:00 | - | DSL Mariners v DSL Mets Orange | W | 4-3 |
The Dominican Summer League Mariners, or DSL Mariners, are a Rookie-level affiliate of the Seattle Mariners, competing in the Dominican Summer League of Minor League Baseball. The team plays its home games at Las Palmas Complex in Boca Chica, Dominican Republic.