FerryConnect

Turkey

Istanbul (Bostancı / Yenikapı) → Avşa Island

Avşa is Istanbul’s favourite quick-escape island in the southern Sea of Marmara, known for its beaches and local wine. İDO’s sea bus runs direct from Bostancı and Yenikapı, calling at Marmara Island on the way.

Istanbul (Bostancı / Yenikapı) to Avşa Island ferry at a glance

The ferry from Istanbul (Bostancı / Yenikapı) to Avşa Island takes 4h – 4h 05m (via Yenikapı and Marmara Island) across the Sea of Marmara, operated by İDO. It is a foot-passenger service; vehicles are not carried. Typical frequency: weekend service in autumn 2026: Friday evening and Saturday morning to Avşa, Saturday and Sunday afternoons back.

Crossing times and frequencies are typical figures and vary by season. Confirm the current timetable with the operator or booking partner before you travel. Route facts last reviewed 2026-09-29.

Sources: ido.com.tr · How we verify

Return crossing: Avşa Island to Istanbul (Bostancı / Yenikapı)

İDO also sails Avşa Island to Istanbul (Bostancı / Yenikapı), taking 4h – 4h 05m (via Yenikapı and Marmara Island).

Istanbul (Bostancı / Yenikapı) to Avşa Island ferry timetable & sailing pattern

October 2026: Fridays 18:30 and Saturdays 08:30 from Bostancı; Saturdays and Sundays 16:00 from Avşa

Reduced to weekends outside summer; check İDO for the summer timetable.

Published departure times

  • Bostancı Fri 18:30
  • Bostancı Sat 08:30
  • Avşa Sat/Sun 16:00

Timetables change by season and date. Check exact departures for your travel date on the official timetable.

Official İDO timetable →Check prices & book on Direct Ferries →

Source: İDO voyage times (1–28 October 2026). Verified 2026-09-29.

Maritime Crossing Route Map

Interactive sea passage between Istanbul (Bostancı / Yenikapı) and Avşa Island

📐 77 Nautical Miles
Istanbul (Bostancı / Yenikapı)⇄Avşa Island
⏱ 4h – 4h 05m (via Yenikapı and Marmara Island) · 📐 77 nm
⚡ All operators, one booking

Ready to cross from Istanbul (Bostancı / Yenikapı) to Avşa Island?

Book your crossing with Direct Ferries: live fares, availability and sailing times.

Operators on This Route

OperatorCrossing TimeVessels
İDO4h – 4h 05mSea bus (passenger catamaran)

Route Features

🚗

Vehicles

Foot passengers only

🚶

Foot Passengers

Walk-on passengers welcome

🐕

Pets

No pet facilities

📐

Distance

77 nautical miles

Getting There & Onward Transport

  • The İDO sea bus route is Bostancı – Yenikapı – Marmara – Avşa
  • GESTAŞ car ferries link Avşa and Marmara Island with Erdek on the mainland every day

Frequently Asked Questions

How long is the ferry from Istanbul (Bostancı / Yenikapı) to Avşa Island?
The crossing typically takes 4h – 4h 05m (via Yenikapı and Marmara Island). Actual times vary by vessel, season and sea conditions, so check the timetable for your sailing.
How often does the Istanbul (Bostancı / Yenikapı) to Avşa Island ferry sail?
October 2026: Fridays 18:30 and Saturdays 08:30 from Bostancı; Saturdays and Sundays 16:00 from Avşa. Reduced to weekends outside summer; check İDO for the summer timetable. This is the pattern published in the İDO voyage times (1–28 October 2026) (checked 2026-09-29); confirm exact departure times on the official timetable before you travel.
Which ferry companies sail from Istanbul (Bostancı / Yenikapı) to Avşa Island?
İDO operates this route. Compare sailing times and ticket types before booking, as they often differ between operators.
Can I take my car on the Istanbul (Bostancı / Yenikapı) to Avşa Island ferry?
No. This is a foot-passenger service and vehicles are not carried. Use parking near the departure pier or public transport to reach it.
Can I take the Istanbul (Bostancı / Yenikapı) to Avşa Island ferry as a foot passenger?
Yes. Foot passengers can travel on this route. Allow time to reach the passenger terminal and check the operator’s check-in closing time.
Are dogs and pets allowed on the Istanbul (Bostancı / Yenikapı) to Avşa Island ferry?
This route has no dedicated pet facilities. Assistance dogs are normally carried, but confirm with the operator before travelling.
How far is Istanbul (Bostancı / Yenikapı) from Avşa Island by ferry?
The sea crossing is about 77 nautical miles (roughly 143 km).