Two companies, BUDO (Bursa Deniz Otobüsleri) and İDO (İstanbul Deniz Otobüsleri) operate fast catamaran passenger ferries across the Sea of Marmara between Istanbul's Kabataş docks and Bursa (map) in about 2 hours. Both are municipal companies owned by their respective city governments.
Each offers between 4 and 8 voyages daily in each direction, depending on the day of the week (Saturday has fewest) and season of the year.
There are snack bars serving snacks,
sandwiches, hot beverages and soft
drinks on board the vessels.
Buying Tickets Online
Important! If you buy your ticket online by credit card, you must have that same credit card and your PNR (ticket reservation code) with you at the dock to print your ferry ticket!
But you may not be able to reserve a seat or buy your ticket online—you're required to have a mobile phone from Turkey or one of only a few other countries. (Crazy? Yes! But so it is...)
Bursa Deniz Otobüsleri (BUDO) operates at least 6 voyages daily between Istanbul's Kabataş docks and Bursa's Mudanya docks. More...
The BUDO website shows seat availability, so even if you can't succeed in making a reservation online, you can see if a voyage is already sold out. If it is not, you can try going to the Kabataş dock, ready to travel, 30 to 60 minutes before departure time. In most cases, you should be able to get on the boat.
Fast İDO car ferries speed
between Istanbul's Kabataş docks and Güzelyalı,
just east of Mudanya on
the south shore of the Sea
of Marmara. More...
Unfortunately, buying tickets for İDO boats can also be a time-wasting challenge, and you may not be able to buy tickets at all. More...
From Ferry Dock to Central Bursa
After debarking at Güzelyalı or Mudanya,
look for yellow city Bus 1-F or 1-GY (TL2.50) which will take you in 20 or 30 minutes to the Emek İstasyonu terminus of the Bursaray
Metro Line M1; TL2.50),
from which it's another 25- to 35-minute ride
to the city center station of Şehreküstü. More...
you can catch an onward bus to
anywhere in the Aegean
and indeed anywhere in Turkey.
There are other ferry services between Istanbul and other ports on the Sea of Marmara's southern shore. More...