The average bus between Mercer Island and Issaquah takes 42 min and the fastest bus takes 30 min. There is a bus service every few hours from Mercer Island to Issaquah. 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 Mercer Island and Issaquah. The earliest departure is at 6:02 AM in the morning, and the last departure from Mercer Island is at 6:37 PM which arrives into Issaquah at 7:20 PM. All services require a transfer at N Mercer Way & 80th Ave SE - Bay 1 and take an average of 42 min. The schedules shown below are for the next available departures.

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Want to know about travelling from Mercer Island to Issaquah? 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 Mercer Island to Issaquah. However, there are services departing from Mercer Island station and arriving at Issaquah station via N Mercer Way & 80th Ave SE - Bay 1. The journey, including transfers, takes approximately 42 min.
Mercer Island to Issaquah bus services, operated by King County Metro, depart from 86th Ave SE & SE 42nd St station.
Mercer Island to Issaquah bus services, operated by King County Metro, arrive at E Sunset Way & Rainier Blvd S station.
The distance between Mercer Island and Issaquah is 14.9 km. The road distance is 21 km.
You can take a bus from 86th Ave SE & SE 42nd St to E Sunset Way & Rainier Blvd S via N Mercer Way & 80th Ave SE - Bay 1 and N Mercer Way & 80th Ave SE - Bay 2 in around 45 min.