The average bus between Mercer Island and Space Needle takes 50 min and the fastest bus takes 45 min. The bus service runs several times per day from Mercer Island to Space Needle. 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 3 times a day between Mercer Island and Space Needle. The earliest departure is at 6:13 AM in the morning, and the last departure from Mercer Island is at 8:13 AM which arrives into Space Needle at 9:01 AM. All services require a transfer at Boren Ave & Jefferson St and take an average of 50 min. The schedules shown below are for the next available departures.

45 min • 1 change

50 min • 1 change

57 min • 1 change

47 min • 1 change

45 min • 1 change

50 min • 1 change

57 min • 1 change

47 min • 1 change

45 min • 1 change

50 min • 1 change

57 min • 1 change

47 min • 1 change
Want to know about travelling from Mercer Island to Space Needle? 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 Space Needle. However, there are services departing from Mercer Island station and arriving at Space Needle station via Boren Ave & Jefferson St. The journey, including transfers, takes approximately 50 min.
Mercer Island to Space Needle bus services, operated by King County Metro, depart from 86th Ave SE & SE 42nd St station.
Mercer Island to Space Needle bus services, operated by King County Metro, arrive at 5th Ave N & Broad St station.
The distance between Mercer Island and Space Needle is 11 km. The road distance is 15 km.
You can take a bus from 86th Ave SE & SE 42nd St to Space Needle via Boren Ave & Jefferson St, Jefferson St & Broadway, and 5th Ave N & Broad St in around 55 min.