Saikai

Travel Guide

A steel bridge over a river with mountains in the background.
Photo by Toshizumi Muta (Creative Commons Attribution 2.0)
A coastal landscape with a prominent tree, a bridge, and a wooden walkway.
Photo by そらみみ (Creative Commons Attribution-Share Alike 4.0)
A bridge over a calm river with boats in the foreground.
Photo by Hiroshi Nakai (Creative Commons Attribution 2.0)
A river with a bridge, trees, and distant mountains.
Photo by そらみみ (Creative Commons Attribution-Share Alike 4.0)
A winding road through a hilly landscape with sparse trees and distant buildings.
Photo by そらみみ (Creative Commons Attribution-Share Alike 4.0)
Jisco Hotel Saikai

Jisco Hotel Saikai

3 out of 5
2502-11 Osetocho Setokashinourago Saikai Nagasaki
Fully refundableReserve now, pay when you stay
$50 nightly
The price is $56 total per night from Oct 14 to Oct 15
$56 total
Oct 14 - Oct 15
Stay at this hotel in Saikai. Enjoy free WiFi, free parking, and breakfast (surcharge).
9/10 Wonderful! (117 reviews)
"It was very convenient and confortable stay, in the local town by the sea and the port for the business trip to Matsushima island!! Also the room was clean and the big bus was nice to relax and enjoy!!"

Reviewed on Jul 12, 2026

Jisco Hotel Saikai
Hotel Nikko Huis Ten Bosch

Hotel Nikko Huis Ten Bosch

3.5 out of 5
6 Huis Ten Bosch Sasebo Nagasaki-ken
$133 nightly
The price is $146 total per night from Sep 23 to Sep 24
$146 total
Sep 23 - Sep 24
Stay at this hotel in Sasebo. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in our reviews. ...
8.8/10 Excellent! (1,330 reviews)
"Staff services"

Reviewed on Aug 2, 2026

Hotel Nikko Huis Ten Bosch
Belleview Nagasaki Dejima

Belleview Nagasaki Dejima

3 out of 5
1-20 Edo-machi Nagasaki Nagasaki
$42 nightly
The price is $46 total per night from Sep 23 to Sep 24
$46 total
Sep 23 - Sep 24
Stay at this hotel in Nagasaki. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Our guests praise the helpful staff and the clean rooms in our ...
8.8/10 Excellent! (1,001 reviews)
"A very friendly and wel ome staff and front desk with management care and hospitality. Lool.forward to future booking in a tranquility and peaceful hotel"

Reviewed on Sep 8, 2026

Belleview Nagasaki Dejima
See all 304 properties in Saikai
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
FAV LUX NAGASAKI

FAV LUX NAGASAKI

3.5 out of 5
3-10 Matsugaemachi Nagasaki Nagasaki
Stay at this aparthotel in Nagasaki. Enjoy free WiFi, breakfast (surcharge), and a sauna. Our guests praise the helpful staff in our reviews. Popular attractions ...
9.4/10 Exceptional! (362 reviews)
"This hotel is clean,modern and very comfortable. It made my visit to Nagasaki even better. Its close to a tram stop to access all main attractions and about 200M to Glover garden. Highly recommended"

Reviewed on Aug 31, 2026

FAV LUX NAGASAKI
ZEE HAVEN Nagasakiekimae

ZEE HAVEN Nagasakiekimae

3.5 out of 5
6-12 Nagasaki Nagasaki
Stay at this apartment in Nagasaki. Enjoy free WiFi and climate control. Popular attractions Twenty-Six Martyrs Museum and Monument and Oka Masaharu Memorial ...
ZEE HAVEN Nagasakiekimae
Grand Base Nagasaki City

Grand Base Nagasaki City

2.5 out of 5
2 39 Tamazonomachi Nagasaki Nagasaki Prefecture
Stay at this apartment in Nagasaki. Enjoy free WiFi, slippers, and climate control. Popular attractions Nagasaki Museum of History and Culture and Nagasaki City ...
8.2/10 Very Good! (126 reviews)
"Location is pretty good as walkable to mall and downtown area. Paid parking is onsite right in front with 3 spots ( and 3 spots for small cars opposite the small one way street)"

Reviewed on May 19, 2026

Grand Base Nagasaki City
See all properties in Saikai
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Stay near popular Saikai attractions

Nagasaki Bio Park

9.0/10 (34 reviews)
Explore the great outdoors at Nagasaki Bio Park, a lovely green space in Saikai. Amble around the area's seaside or visit its spas.
See properties

Things to do

The photo that you will remember most from your day with me.

Private Nagasaki WW2 History including Atomic Bomb Museum Tour

$692
per traveler
Private Nagasaki WW2 History including Atomic Bomb Museum Tour
See all activities in Saikai

Frequently asked questions

Is Saikai worth visiting?
Saikai is worth visiting for its standout attractions and experiences. Travelers can explore unique destinations like Oshima Island and the Nagasaki Bio Park. Both offer engaging activities and sights, providing a fulfilling visit for those looking to discover the area's highlights.
When is the best time to visit Saikai?
The best time to visit Saikai is from March through July, when the climate is generally most favorable for travelers. For those seeking fewer crowds and better value, the quieter months of January and February offer a more relaxed experience, making it a good option for a tranquil visit.
What is Saikai known for?
Saikai is known for Oshima Island, along with attractions like Nagasaki Bio Park and Saikaibashi Park. This city in Japan offers travelers a mix of natural beauty and recreational spaces to explore.
What is a good itinerary length for Saikai?
A good itinerary length for Saikai is two to three days to explore Oshima Island, Nagasaki Bio Park, and Saikaibashi Park. For an extended stay of four to five days, you can also include a Private Nagasaki WW2 History including Atomic Bomb Museum Tour, allowing for deeper exploration of the area's natural and historical sites. See Saikai Activities.
What are the top things to do in and around Saikai?
Saikai and its surroundings offer natural beauty and historical insights for travelers:


How do I plan a trip to Saikai?
To plan your trip to Saikai, search for places to stay on Expedia. Book flights and rental cars in advance, especially if you plan to visit Oshima Island or Nagasaki Bio Park. For outdoor activities at Saikaibashi Park, aim for early morning or late afternoon. Consider booking the Private Nagasaki WW2 History including Atomic Bomb Museum Tour ahead of time.
Can I book a refundable hotel in Saikai?
Yes, Expedia offers many flexible booking options, and you can look for refundable hotels in Saikai by entering your dates and using the refundable or fully refundable filter. Always check the hotel's cancellation policy before you book, since terms can vary by hotel, and visit Expedia help center for further details.
Why book a trip to Saikai with Expedia?
Expedia makes it easier to plan your Saikai trip with travel tools, flexible search options, and bookable trip components all in one place. You can organize your plans in one account and use Expedia to help build a trip that fits your budget and travel style. Find out more about how by visiting Expedia's Trip Planner page.
Should I stay in a hotel or vacation rental in Saikai?
The best choice depends on your travel style. Hotels in Saikai can be a good fit for convenience, on-site amenities, and shorter stays, while vacation rentals may offer more space, privacy, and home-style amenities for longer trips, families, or groups. With Expedia, you can compare both options side by side, read traveler reviews, and filter by amenities to find the right fit for your trip.
How can I manage my Saikai trip on Expedia?
Once you've booked your Saikai trip, you can manage it through your Expedia account or the Expedia app. You can view your itinerary, access booking details, make eligible changes, and check for updates in My Trips. The Expedia app can also help you stay organized while you travel.
What if I need help during my Saikai trip?
Expedia offers customer support before, during, and after your Saikai trip. If your plans change or something unexpected happens, you can review your booking in My Trips and use Expedia help center channels for help with eligible changes, cancellations, or travel issues.
How can Expedia help me plan my first trip to Saikai?
If it's your first trip to Saikai, Expedia can help you plan by bringing together stays, flights, activities, traveler reviews, and trip-planning tools in one place. With Expedia's Trip Planner you can compare options, read reviews from other travelers, and build an itinerary that matches your interests and budget.
How can I save on my Saikai hotel booking with Expedia?
Join One Key™ for free to unlock instant discounts with Member Prices on select hotels. You can also earn and use OneKeyCash™* on eligible bookings on Expedia. Booking in advance is usually another great way to save on your Saikai hotel.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Cities near Saikai

A brightly lit street with a wooden building adorned with lights and signs, a staircase, and a tree.

Nagasaki

A coastal city with a harbor, mountains in the background, and dense urban development.

Sasebo

A serene park with a pond, cherry blossoms, and a distant cityscape.

Omura

A calm lake surrounded by lush green hills and a cloudy sky.

Shinkamigoto

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