FerryConnect

Japan

Karatsu → Iki (Indoji)

The shortest car-ferry crossing to Iki, from Karatsu in Saga Prefecture to Indoji on the island’s south coast, aboard the Emerald Karatsu or Diamond Iki.

⏱ 1h 45m🚢 1 operator📅 Four sailings a day in each direction until 11 December 2026, then five🚗 Vehicles accepted
Book with Kyushu Yusen→

Karatsu to Iki (Indoji) ferry at a glance

The ferry from Karatsu to Iki (Indoji) takes 1h 45m across the Genkai Sea, operated by Kyushu Yusen. Both vehicles and foot passengers are carried. Typical frequency: four sailings a day in each direction until 11 December 2026, then five.

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 2026-11-04.

Sources: kyu-you.co.jp · kyu-you.co.jp · kyu-you.co.jp · kyu-you.co.jp · How we verify

Return crossing: Iki (Indoji) to Karatsu

Kyushu Yusen also sails Iki (Indoji) to Karatsu, taking 1h 45m.

Karatsu to Iki (Indoji) ferry timetable & sailing pattern

Until 11 December 2026 (Emerald Karatsu in dock), four sailings each way: Karatsu 08:50, 12:50, 16:50, 20:40; Indoji 06:50, 10:50, 14:50, 18:45. From 12 December, five each way: Karatsu 08:40, 10:20, 13:20, 15:30, 18:20; Indoji 08:20, 10:50, 13:20, 15:30, 17:30

Four sailings each way while one ship is in dock (e.g. 26–31 Oct 2026).

Published departure times

  • 08:50
  • 12:50
  • 16:50
  • 20:40

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

Official Kyushu Yusen timetable →Check prices & book on Kyushu Yusen →

Source: Kyushu Yusen timetable PDF, 1 July–31 October 2026. Verified 2026-11-04.

Maritime Crossing Route Map

Interactive sea passage between Karatsu and Iki (Indoji)

📐 25 Nautical Miles
Karatsu⇄Iki (Indoji)
⏱ 1h 45m · 📐 25 nm
© OpenFreeMap / OSM
⚓ Operator website

Ready to cross from Karatsu to Iki (Indoji)?

Book your crossing with Kyushu Yusen: live fares, availability and sailing times.

Book with Kyushu Yusen→

Operators on This Route

OperatorCrossing TimeVessels
Kyushu Yusen1h 45mEmerald Karatsu, Diamond Iki

Route Features

🚗

Vehicles

Cars, campervans, and motorbikes accepted

🚶

Foot Passengers

Walk-on passengers welcome

🐕

Pets

No pet facilities

📐

Distance

25 nautical miles

Getting There & Onward Transport

  • City buses run from JR Nishi-Karatsu station to the Karatsu Ferry Terminal
  • Highway buses from Hakata and Tenjin go to Karatsu Otemachi, where city buses continue to the ferry terminal

Related Ferry Crossings

Onward from Iki (Indoji)Fukuoka (Hakata) → Iki1h 05m (jetfoil) – 2h 20m (ferry) · Kyushu YusenNearby alternative crossingFukuoka (Hakata) → Tsushima (Izuhara)2h 15m (jetfoil) – 4h 45m (ferry) · Kyushu YusenNearby alternative crossingSasebo → Kamigoto (Arikawa)1h 25m – 2h 35m · Kyushu ShosenNearby alternative crossingKumamoto → Shimabara30m – 1h · Kumamoto Ferry, Kyusho FerryNearby alternative crossingNagasaki → Goto Islands (Fukue)1h 25m – 3h 55m · Kyushu ShosenNearby alternative crossingMiyajimaguchi (Hiroshima) → Miyajima (Itsukushima)10m · JR Miyajima Ferry, Miyajima Matsudai Kisen
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Frequently Asked Questions

How long is the ferry from Karatsu to Iki (Indoji)?
The crossing typically takes 1h 45m. Actual times vary by vessel, season and sea conditions, so check the timetable for your sailing.
How often does the Karatsu to Iki (Indoji) ferry sail?
Until 11 December 2026 (Emerald Karatsu in dock), four sailings each way: Karatsu 08:50, 12:50, 16:50, 20:40; Indoji 06:50, 10:50, 14:50, 18:45. From 12 December, five each way: Karatsu 08:40, 10:20, 13:20, 15:30, 18:20; Indoji 08:20, 10:50, 13:20, 15:30, 17:30. Four sailings each way while one ship is in dock (e.g. 26–31 Oct 2026). This is the pattern published in the Kyushu Yusen timetable PDF, 1 July–31 October 2026 (checked 2026-11-04); confirm exact departure times on the official timetable before you travel.
Which ferry companies sail from Karatsu to Iki (Indoji)?
Kyushu Yusen operates this route. Compare sailing times and ticket types before booking, as they often differ between operators.
Can I take my car on the Karatsu to Iki (Indoji) ferry?
Yes. Vehicles are carried on this route. Book vehicle space in advance for peak dates, and check the operator’s height, length and trailer limits for campervans and larger vehicles.
Can I take the Karatsu to Iki (Indoji) 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 Karatsu to Iki (Indoji) ferry?
This route has no dedicated pet facilities. Assistance dogs are normally carried, but confirm with the operator before travelling.
How far is Karatsu from Iki (Indoji) by ferry?
The sea crossing is about 25 nautical miles (roughly 46 km).