İDO Bostancı-Avşa Ferry Services: August 5-25, 2026 Cancellations

İDO Istanbul Sea Buses has announced the cancellation of a total of 16 services on the Bostancı-Yenikapı-Marmara Island-Avşa ferry route between August 5 and August 25, 2026. These cancellations specifically affect services departing from Bostancı at 12:00 and from Avşa at 19:30. Other services on this route will continue according to the current schedule, and passengers are advised to check the latest status on İDO's official channels before making their travel plans.

Departing from Bostancı Pier, one of Istanbul's key departure points on the Anatolian Side, this route provides access to Avşa Island, a popular holiday destination in the Sea of Marmara, and sees high demand during the summer months. The cancellations, especially coinciding with mid-August, may affect many passengers' travel plans.

Full List of Cancelled Bostancı – Avşa Services (August 5-25, 2026)

Below is a detailed list of the 16 services cancelled by İDO on the Bostancı – Yenikapı – Marmara Island – Avşa route between August 5-25, 2026:

Which Days Are Most Affected by Cancellations?

Upon reviewing the list of cancelled services, a clear pattern emerges. Cancellations occur on Tuesdays, Wednesdays, and Thursdays each week. There are no service cancellations on Fridays, Saturdays, Sundays, or Mondays. This indicates a reduction in mid-week services while maintaining weekend capacity.

• Tuesday: August 11, 18, and 25, 2026
• Wednesday: August 5, 12, and 19, 2026
• Thursday: August 6, 13, and 20, 2026

What Do the Cancellation Reasons Mean?

The cancellation reasons stated by İDO fall under two main categories:

• Schedule Change (11 services): This reason indicates a planned schedule adjustment. It implies that the cancelled services are permanently removed from the timetable and are not expected to return in the near future.
• Technical Reasons (5 services): Cancellations on August 5, 12, and 19 fall into this category. Technical reasons typically refer to individual and immediate issues such as vessel malfunction, maintenance, or operational disruptions.

What to Do If Your Journey is Affected by Cancellations?

If your ticket is for a cancelled service, it is recommended to follow these steps to avoid inconvenience:

• If your ticket is for a cancelled service, you should apply for a change or refund through İDO's official channels (ido.com.tr website or the call center at 0850 222 44 36).
• For unaffected times and the current schedule on the same route, you can visit our Bostancı – Avşa ferry times and Avşa – Bostancı ferry times pages to check for alternative services.
• If you are looking for an alternative sea route to Avşa from Istanbul, you might consider the Avcılar – Avşa route.
• For passengers wishing to reach Marmara Island and Avşa from Southern Marmara, routes such as Erdek – Avşa – Marmara Islands are also available.

Ferry service cancellations can sometimes be announced shortly before departure. Therefore, it is crucial to check the relevant operator's latest announcements and service status before heading to the terminal on your travel day to prevent potential disruptions.