The average bus between Issaquah and Mercer Island takes 49 min and the fastest bus takes 36 min. There is a bus service every few hours from Issaquah to Mercer Island. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Issaquah and Mercer Island. The earliest departure is at 5:51 AM in the morning, and the last departure from Issaquah is at 6:08 PM which arrives into Mercer Island at 7:09 PM. All services require a transfer at N Mercer Way & 80th Ave SE - Bay 1 and take an average of 49 min. The schedules shown below are for the next available departures.

38 min • 1 change

45 min • 1 change

44 min • 1 change

48 min • 1 change

1h 9m • 1 change

1h 6m • 1 change

38 min • 1 change

36 min • 1 change

1h 9m • 1 change

1h 9m • 1 change

39 min • 1 change

39 min • 1 change

38 min • 1 change

45 min • 1 change

44 min • 1 change

48 min • 1 change
Want to know about travelling from Issaquah to Mercer Island? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Issaquah to Mercer Island. However, there are services departing from Issaquah station and arriving at Mercer Island station via N Mercer Way & 80th Ave SE - Bay 1. The journey, including transfers, takes approximately 49 min.
Issaquah to Mercer Island bus services, operated by Sound Transit, depart from E Sunset Way & 1st Ave NE station.
Issaquah to Mercer Island bus services, operated by Sound Transit, arrive at N Mercer Way & 80th Ave SE - Bay 1 station.
The distance between Issaquah and Mercer Island is 14.9 km. The road distance is 22 km.
Sound Transit operates a bus from E Sunset Way & 1st Ave NE to N Mercer Way & 80th Ave SE - Bay 1 every 30 minutes. Tickets cost $3 and the journey takes 25 min.