
ACCESS
Toward the sea, at the end of the road
From the Sasebo area, come by car or by boat. We will guide you according to your planned arrival.
BY CAR
About 50 minutes by car from the Sasebo area. Parking is available.
From Fukuoka Airport to Horizon Castle: approximately 2 hours 30 minutes by car From Nagasaki Airport to Horizon Castle: approximately 1 hour 30 minutes by car
Travel times are approximate and vary with road and traffic conditions.

BY BOAT
Saikai Engan Shosen runs high-speed passenger boats from Sasebo Shin-Minato Terminal to Oshima Port (Hizen-Oshima Port), taking about 26–30 minutes. Boats leave from Sasebo Shin-Minato Terminal, not from JR Sasebo Station. Please check the operator's latest information for times and operating days before you travel.
High-speed boat timetable
Sasebo Shin-Minato Terminal ⇄ Hizen-Oshima Port
- Where to board
- Sasebo Shin-Minato Terminal (the local ferry terminal). It is a separate building from JR Sasebo Station.
- Crossing time
- About 26–30 minutes (Rapid Lily about 26 minutes, Rapid about 30 minutes)
- Fare
- One way: adults ¥1,200, children ¥600 (Saikai Engan Shosen fare table, checked 15 October 2026). Please check the latest fare with the operator.
- Capacity
- Rapid 202 passengers / Rapid Lily 200 passengers
- Operator
- Saikai Engan Shosen
| Departs | Boat | Service |
|---|---|---|
| 06:20Note 1 | Rapid Lily | Daily |
| 07:22 | Rapid Lily | Daily |
| 08:24 | Rapid Lily | Daily |
| 09:27 | Rapid Lily | Not Tue/Fri |
| 12:25 | Rapid | Daily |
| 13:35 | Rapid | Daily |
| 14:50 | Rapid Lily | Tue/Fri only |
| 16:25 | Rapid Lily | Not Tue/Fri |
| 17:27 | Rapid Lily | Daily |
| 18:31 | Rapid Lily | Not on shipyard holidays |
| 19:33 | Rapid Lily | Daily |
| Departs | Boat | Service |
|---|---|---|
| 06:51 | Rapid Lily | Daily |
| 07:53 | Rapid Lily | Daily |
| 08:55 | Rapid Lily | Not Tue/Fri |
| 09:58 | Rapid Lily | Daily |
| 13:00 | Rapid | Daily |
| 14:10 | Rapid | Daily |
| 16:56 | Rapid Lily | Daily |
| 18:00 | Rapid Lily | Daily |
| 19:02 | Rapid Lily | Not on shipyard holidays |
| 20:04Note 1 | Rapid Lily | Daily |
Before you board
- ☆No service on Tuesdays and Fridays
- ※No service on Oshima Shipbuilding's non-working days
- Tu/FrTuesdays and Fridays only
- Note 1: Tickets for the 6:20 departure from Sasebo and the 20:04 departure from Oshima are sold on board.
- Note 2: The boats are the Rapid and the Rapid Lily, as shown in the table.
- Note 3: On Oshima Shipbuilding's non-working days, every sailing is operated by the Rapid.
- Note 4: On Tuesdays and Fridays, every sailing is operated by the Rapid Lily.
- Note 5: Times change while a high-speed boat is in dock for maintenance.
This timetable was checked against the operator's and Oshima Shipbuilding's published information on 15 October 2026. Times, operating days, fares and boarding rules can change; always check the operator's latest information.
We offer free transfers from Oshima Port to Horizon Castle by advance reservation.
Please tell us which sailing you will take and how many are travelling. A transfer is confirmed only once we reply.
Request a transferFrom Nagasaki Airport
From Nagasaki Airport, you can travel by rental car or taxi. For public transport, one option is to travel towards Sasebo and continue by boat to Oshima Port. Check connections against your flight and expected arrival time.
Please enquire in advance about airport transfers. We will confirm availability and pricing for your dates and group size.
Travel inquiries
TRANSFER
Transfers
Free transfers from Oshima Port
Free transfers from Oshima Port are available by advance reservation. Let us know where you are departing from and when you expect to arrive, and we will advise you on how to reach us.
Multi-night stay benefit | Free transfers from Sasebo Station, Huis Ten Bosch Station and Nagasaki Airport (advance reservation required; conditions apply)
Advance reservation required. Conditions apply. Depending on vehicle and operating conditions, we may not be able to meet your request.
For individual travel questions, please tell us your departure point, group size and dates. We will check what information we can provide.
In bad weather
In bad weather, we will check the status of boat services, roads and the Oshima Ohashi Bridge, and advise you on the routes available at that time. Depending on weather and traffic, arrangements may differ from our usual guidance. Please check the latest information before your visit.
- BY CARthe Sasebo areaAbout 50 minutes by carHorizon Castle
- BY BOATSasebo Shin-Minato TerminalHigh-speed boatsOshima Port (Hizen-Oshima Port)Free transfersHorizon Castle
AROUND
Around the area
Use Horizon Castle as a base for trips further afield. Before heading out, please check each destination's official information for opening hours, transport and travel times.
Huis Ten Bosch
Enjoy seasonal flowers and townscapes on a day out in Nagasaki. Check the official website for opening hours, events and access.
Nagasaki Bio Park
Spend a day discovering animals and plants at Nagasaki Bio Park in Saikai. Check the official website for activities, visitor guidance and access.
Saikai Bridge
One of the places to stop and take in the scenery of Saikai. Please check weather and road conditions before you go.
