For the latest service status, please check the official LINE account.
最新の運航状況は最新運航情報(LINE)でご確認ください。
The Kumejima Ocean Jet (KOJ) launches May 1, 2026, connecting Naha to Kumejima in approximately 92 minutes in summer (April–November) and ~101 minutes in winter (December–March) via jetfoil “Tsumugi” (230 passengers). One-way fare: ¥7,800. Book at ko-jet.com. Jetfoils produce minimal wave motion, so seasickness is rare. Luggage rules are similar to aircraft. Pets and bicycle policies to be confirmed.
General
※掲載写真はイメージです
Q: What is the Kumejima Ocean Jet?
A: A high-speed jetfoil service launching May 1, 2026, connecting Naha (Tomari Wharf) to Kumejima (Kaneshiro Port) in approximately 92 minutes. The vessel “Tsumugi” is a Boeing 929 hydrofoil with 230 seats.
Q: How fast is the jetfoil?
A: The jetfoil travels at approximately 80 km/h. It lifts above the water on underwater wings, providing a remarkably smooth ride.
Fares & Booking
Q: How much does it cost?
A: ¥7,800 one-way for adults (Naha–Kumejima). See our fare guide for details.
Q: How do I book?
A: Online at 最新運航情報(LINE) or at the Tomari Wharf ticket counter. See our booking guide.
Comfort & Safety
Q: Will I get seasick?
A: Jetfoils ride above the waves on hydrofoils, producing far less motion than conventional ferries. Seasickness is uncommon. See our seasickness guide.
Q: What about luggage?
A: Carry-on bags fit under seats or in overhead compartments. Large suitcases go in the onboard luggage area. See our luggage guide.
Q: What if the sailing is canceled?
A: Cancellations due to weather result in a full refund. Alternative transport includes RAC flights and Kumeshosen ferry. See our cancellation guide.
久米島オーシャンジェット お問い合わせ
那覇ふ頭営業所: 098-861-0877
久米島（兼城港）: 098-985-7890
公式サイト: 最新運航情報(LINE)
