Nagannu Island Official - Uninhabited Island Resort in Okinawa
Frequently Asked Questions
Jellyfish may be present depending on the season.
Extra caution is advised during the summer months.
To help you enjoy your time in the water with peace of mind, we recommend wearing a rash guard.
Please do not touch any jellyfish if you encounter them.
It is an uninhabited island in the Kerama Islands, the closest to the Okinawa mainland.
Located within the Chibishi Atoll at the gateway to the Kerama Islands, it is the largest island in the atoll and the one nearest to the Okinawa mainland.
Nagannu Island is an uninhabited island approximately 25 minutes by boat from the Okinawa mainland (Naha).
Part of the Kerama Islands, it is one of the closest offshore islands to the Okinawa mainland.
The island offers easy access to the stunning waters known as “Kerama Blue,” making it perfect for a day trip.
It is approximately 25 minutes by boat from Naha.
It is the closest island in the Kerama Islands to the Okinawa mainland.
Nagannu Island is an uninhabited island ideal for anyone looking to enjoy beautiful ocean scenery on a casual day trip.
It is especially recommended for:
・First-time visitors to the offshore islands of Okinawa
・Those who want to experience stunning waters without a long journey
・Families with young children
・Those who want to enjoy the ocean without swimming
・Those looking to spend a relaxed, leisurely day
Easily accessible from Naha in just about 25 minutes by boat, it offers a hassle-free island getaway.
Nagannu Island is our top recommended uninhabited island in Okinawa.
Just 25 minutes from Naha, it offers a stunning Kerama Blue ocean experience perfect for a day trip.
It is especially great for first-time island visitors and those looking to make the most of the ocean in a short amount of time.
Trash bins are available on the island.
Outside food and beverages are not permitted on the island, but you are welcome to dispose of any trash from items purchased on the island.
All collected trash is taken back by our staff at the end of each tour.
We kindly ask for your cooperation in reducing waste to help preserve the natural environment.
Depending on the season, certain dangerous creatures may be present.
Photos of potentially dangerous wildlife are posted around the island. Please take a moment to review them.
Yes, certain areas of the island are off-limits to visitors.
Both ends of the island are designated as seabird sanctuaries and are strictly prohibited from entry.
To protect the natural environment and local seabird populations, we ask that you please respect all restricted areas.
Yes, swimming is permitted in designated areas only.
Please enjoy the water within the designated swimming zones.
Swimming outside of these zones is not permitted; however, exceptions may be made when accompanied by a qualified instructor.
Swimming zones have been established for the protection of coral reefs and to ensure the safety of all guests. We appreciate your understanding and cooperation.
Yes, smartphones can be used on the island; however, signal reception may be unstable.
Connectivity may be limited or unavailable depending on your mobile network and location on the island.
Please note that Wi-Fi is not available on the island.
We recommend downloading any necessary information before your visit.
We’re sorry, but fishing and clamming are not permitted on the island.
To protect the local ecosystem, the collection or removal of any living creatures is strictly prohibited on Nagannu Island.
We invite you to enjoy observing fish, shellfish, and other marine life in their natural habitat.
Yes, shaded areas are available on the island.
Guests are welcome to use the dining terrace, beach parasols, and rest cottages.
Rest cottages are available by advance reservation only (¥6,000 per day).
As the sun can be quite intense, we recommend taking regular breaks and staying mindful of your condition throughout the day.
Tropical fish can be spotted within the swimming area;
however, as the waters are shallow, the variety and number of fish may be somewhat limited.
For those hoping to see a greater abundance of marine life, we highly recommend joining one of our boat snorkeling tours.
The water clarity is exceptional.
The island is surrounded by the stunning, crystal-clear waters known as “Kerama Blue.”
On clear days, visibility can extend several meters down to the ocean floor. The waters here are considered among the most beautiful of any offshore island close to the Okinawa mainland.
Trash bins are available on the island.
Outside food and beverages are not permitted on the island, but you are welcome to dispose of any trash from items purchased on the island.
All collected trash is taken back by our staff at the end of each tour.
We kindly ask for your cooperation in reducing waste to help preserve the natural environment.
Depending on the season, certain dangerous creatures may be present.
Photos of potentially dangerous wildlife are posted around the island. Please take a moment to review them.
For safety reasons, we are unable to accommodate guests who are pregnant.
The motion of the boat and sea conditions on the day of your visit may adversely affect your wellbeing.
Children of all ages are welcome, including infants.
The swimming area at Nagannu Island has shallow, gently sloping waters, making it a safe and enjoyable environment for young children.
Please take adequate precautions against heat exhaustion and sunstroke during your visit.
Guests who are able to walk unassisted are welcome to participate.
Please be aware that there are steps when boarding the boat, so we ask that you watch your step carefully.
We also recommend taking precautions against heat exhaustion and sunstroke, such as staying well hydrated and wearing a hat.
We regret that our facilities are not wheelchair accessible.
As there are steps when boarding the boat, guests who have difficulty walking unassisted are unable to board.
Wheelchair use is also not accommodated.
If you have any questions or concerns, please do not hesitate to contact us in advance.
We’re sorry, but pets are not permitted on board or on the island.
Pets are strictly prohibited from being brought onto Nagannu Island, and are therefore not allowed on the boat.
We appreciate your understanding and cooperation in helping ensure a safe and comfortable experience for all guests.
The boat departs from Miegusuku Port.
As check-in is required, please arrive at least 30 minutes before departure.
We recommend arriving with plenty of time to spare.
For detailed meeting point and access information, please see below.
Access
Look for the orange flag with “Nagannu Island” written on it.
It is located near the entrance gate of the Miegusuku Port parking lot.
Please make sure to arrive with plenty of time on the day of your visit.
Yes, parking is available at Miegusuku Port.
A parking lot is located directly at the port (¥700 per day).
No discount vouchers or coupons are available for the parking lot.
Restrooms are available at Miegusuku Port.
However, they are located a short distance from the check-in area and are limited in number, so they may become busy before departure.
We recommend using the restroom before arriving at the port.
Please arrive at least 30 minutes before your scheduled departure time.
Check-in closes 15 minutes before departure. Please note that the boat departs strictly on schedule.
To ensure a smooth check-in process, we recommend arriving with plenty of time to spare.
We regret that guests who arrive after the scheduled departure time will not be able to board.
The boat departs strictly on schedule.
To avoid missing your departure, please make sure to arrive with plenty of time to spare.
Yes, the swimming area features a gently sloping sandy beach with shallow waters, making it a safe and enjoyable environment for young children.
However, please ensure that children are supervised at all times in the water and throughout the facility.
As the sun can be quite intense, please also take care to monitor your children’s condition throughout the day.
To guard against sunstroke and heat exhaustion, we recommend staying well hydrated and wearing a hat.
We appreciate your understanding and cooperation in helping ensure a safe and enjoyable visit for everyone.
Please check our official website for the latest updates.
On the morning of your visit, please check the “Today’s Operation Status” section on the top page of our official website.
Operating status is updated at 8:00 AM on the day of departure.
Please make sure to check before making your way to the port.
The boat departs from Miegusuku Port.
As check-in is required, please arrive at least 30 minutes before departure.
We recommend arriving with plenty of time to spare.
For detailed meeting point and access information, please see below.
Access
Look for the orange flag with “Nagannu Island” written on it.
It is located near the entrance gate of the Miegusuku Port parking lot.
Please make sure to arrive with plenty of time on the day of your visit.
Yes, parking is available at Miegusuku Port.
A parking lot is located directly at the port (¥700 per day).
No discount vouchers or coupons are available for the parking lot.
Restrooms are available at Miegusuku Port.
However, they are located a short distance from the check-in area and are limited in number, so they may become busy before departure.
We recommend using the restroom before arriving at the port.
We regret that guests who arrive after the scheduled departure time will not be able to board.
The boat departs strictly on schedule.
To avoid missing your departure, please make sure to arrive with plenty of time to spare.
We’re sorry, but no parking discounts are available.
You are welcome to use the parking lot at Miegusuku Port (¥700 per day).
The free plan starts from ¥9,500 per adult.
Prices vary depending on the season and plan selected.
For full pricing and plan details, please see here.
Yes, children’s rates are available.
・Child (ages 4–11): from ¥8,500
・Infant (ages 0–3): from ¥1,500
※ Please note that lunch is not included in the infant rate.
Prices vary depending on the season.
For more details, please see here.
The basic plan includes round-trip boat fare, facility usage fees, and lunch.
(Includes: round-trip boat fare between Miegusuku Port and Nagannu Island, facility usage fee, and a lunch voucher.)
※ Please note that lunch vouchers are not included during the winter season (January–March).
For more details, please see here.
This is a tax dedicated to the protection of the natural environment and the development of tourism infrastructure.
To help preserve the natural environment and maintain tourism facilities, a fee of ¥100 per person is required separately from the tour price.
This fee does not apply to guests aged 15 and under, or to those holding a Physical Disability Certificate, Intellectual Disability Certificate, or Mental Disability Certificate.
Reservations can be made until 17:00 the day before your visit.
Online bookings are available until 17:00 the day before your visit.
Same-day bookings are also available, subject to availability.
Reservations can be made online.
Please visit the “Reservations” page, select your preferred date and number of guests, and proceed from there.
When making a reservation, you will be required to enter the name and age of every guest in your party.
To ensure a smooth booking process, we recommend having this information ready in advance.
Same-day bookings are also available, subject to availability.
Please apply at the meeting point at Miegusuku Port on the day of your visit.
Same-day bookings are available for the free plan only.
Payment can be made by credit card or cash.
You may choose between online payment (credit card) or payment on the day of your visit.
On-site payment is accepted by credit card or cash.
Please note that certain plans may have specified payment methods. For more details, please refer to each individual plan.
Yes, advance reservations are available.
The following options can be reserved in advance:
・Boat snorkeling tour
・Parasailing
・Rest cottage
All other marine activities are available for same-day booking only.
(Please note that advance reservation options may be unavailable if fully booked.)
Nagannu Island is an uninhabited island approximately 25 minutes by boat from the Okinawa mainland (Naha).
Part of the Kerama Islands, it is one of the closest offshore islands to the Okinawa mainland.
The island offers easy access to the stunning waters known as “Kerama Blue,” making it perfect for a day trip.
Cancellation fees apply from the day before your visit.
A 50% cancellation fee applies the day before your tour, and 100% on the day of your tour.
For optional activities, a 50% fee applies before same-day payment is processed, and 100% after payment has been completed. (This includes same-day bookings.)
Date changes are available subject to availability.
To request a change, please contact us by email or phone.
Please note that date changes may not be possible if your preferred date is fully booked.
The process for changing the number of guests varies depending on your payment method.
【For on-site payment】
Changes to the number of guests can be made by email or phone, provided the cancellation policy has not yet taken effect.
※ Please note that if you are adding guests, plans with optional activities may not be available, in which case the free plan will be offered instead.
【For online payment】
Changes to the number of guests are not possible. We apologize for the inconvenience, but please cancel your existing reservation and make a new booking.
Cancellations can be made online via the cancellation form included in your booking confirmation email.
Please use the cancellation form to process your request.
Cancellations by phone are also accepted during business hours.
For a smooth cancellation process, we recommend cancelling online.
The ride may be rough depending on weather and sea conditions.
As we operate a high-speed jet boat, you may feel some motion depending on wave conditions.
Please take care when moving around the vessel, as it can be dangerous while the boat is in motion.
◎ If you are prone to seasickness, we recommend taking motion sickness medication before boarding.
◎ If you begin to feel unwell, focusing on a distant point on the horizon may help ease your discomfort.
Yes, a restroom is available on board.
However, as the boat may experience movement during the journey, please watch your step when using the facilities.
Please also note that rushing to the individual cabin while the boat is moving may increase the likelihood of seasickness.
We recommend taking care of this before boarding whenever possible.
We regret that changes to return ferries are generally not permitted.
Each boat — first, second, and additional departures — operates as a set round trip with fixed outbound and return times.
Please confirm your round-trip times carefully when making your reservation.
Yes, life jackets are provided on board.
You may be asked to wear one during boarding for safety purposes.
They are also available for use in case of emergency.
When entering the water for activities such as snorkeling, you will be required to wear a life jacket for your safety.
Life jackets will be distributed to children at boarding and they may be asked to wear them throughout the journey.
Yes, the boarding pass issued at check-in is required for your return boat.
It will be collected when you board the return boat.
Please note that it will also be required when checking in for activities on the island.
Please keep it safe and do not lose it.
A swimsuit, sandals, towel, and sunscreen are essential.
Please also bring a change of clothes, sunscreen (reef-safe products are recommended), and cash or a credit card.
Please note that the beach on Nagannu Island is made up of coral and shell fragments (coral sand) rather than fine sand, so we recommend wearing water shoes.
We’re sorry, but outside food and beverages are not permitted on the island.
A restaurant and shop are available on the island for your convenience.
We appreciate your understanding and cooperation in helping ensure a comfortable experience for all guests.
The following items are not permitted on the island:
・Food and beverages
・Sharp objects such as spears or harpoons
・Cooler boxes
・Folding chairs
We appreciate your understanding and cooperation in helping ensure the safety and proper management of the facilities.
Yes, personal floats are permitted on the island.
Rentals are also available on-site.
If you prefer to travel light, we recommend taking advantage of our rental service.
Yes, please make sure to bring a towel.
Towel rentals are not available on the island.
However, bath towels are available for purchase at the marine shop (¥800).
While towels can be purchased on-site if forgotten, we recommend preparing one in advance.
The following items are available to rent:
Floats, snorkel sets, individual items (mask, fins, snorkel, life jacket), wetsuits, kayaks, SUPs, and rest cottages.
Yes, personal snorkel sets are permitted on the island.
Please note that a life jacket must be worn at all times when snorkeling in the designated swimming area.
Rentals are also available on-site.
・Mask / Fins / Snorkel / Life jacket: ¥500 each (per day)
・4-piece set: ¥1,500 (per day)
For first-time snorkelers or those looking to travel light, we recommend our rental service.
We offer a variety of water activities, including boat snorkeling and parasailing.
Boat snorkeling tours and parasailing can also be reserved in advance.
For activities with availability on the day, bookings can be made at the on-site service counter.
Please note that towing tube activities such as Dragon Boat, Marble, Blast, and Mega Slice are available for same-day booking only.
For more details, please see here.
Yes, children are welcome to participate in water activities.
Please note that age restrictions apply to certain activities.
Children aged 15 and under must be accompanied by a parent or guardian, even if they meet the age requirement.
For more details, please see here.
No, participation in water activities after consuming alcohol is not permitted.
For safety reasons, guests who have consumed alcohol are not allowed to take part in any water activities.
Please enjoy the activities before drinking.
Please check our official website for the latest updates.
On the morning of your visit, please check the “Today’s Operation Status” section on the top page of our official website.
Operating status is updated at 8:00 AM on the day of departure.
Please make sure to check before making your way to the port.
Boats operate as normal in rainy weather.
However, tours may be cancelled if conditions such as strong winds or rough seas make it unsafe to operate.
The final decision on whether boats will run is made at 8:00 AM on the day of your visit.
Please check the “Today’s Operation Status” section on our official website.
Please make sure to check before making your way to the port.
You will be notified by email or phone as soon as a cancellation is confirmed.
However, to ensure you have the most up-to-date information, please also check the operation status on our official website the day before and on the day of your visit.
In the event of a cancellation, please make sure to check for yourself as well.
A full refund will be issued in the event of a cancellation.
Depending on availability, we may also be able to offer an alternative date.
If you would like to change your date, please let us know when you are contacted about the cancellation.
Yes, swimming is permitted in designated areas only.
Please enjoy the water within the designated swimming zones.
Swimming outside of these zones is not permitted; however, exceptions may be made when accompanied by a qualified instructor.
Swimming zones have been established for the protection of coral reefs and to ensure the safety of all guests. We appreciate your understanding and cooperation.
Yes, shaded areas are available on the island.
Guests are welcome to use the dining terrace, beach parasols, and rest cottages.
Rest cottages are available by advance reservation only (¥6,000 per day).
As the sun can be quite intense, we recommend taking regular breaks and staying mindful of your condition throughout the day.
Yes, changing rooms are available on the island.
Showers are also available free of charge.
Please note that shampoo and soap are not permitted in the showers in order to protect the natural environment.
Please also be mindful of water conservation, as fresh water is not available on the island.
Cash and credit cards are accepted
at the restaurant and marine counter.
Please note that e-money and QR code payments are not accepted.
Yes, a dining terrace with a capacity of approximately 100 guests is available.
Enjoy your meal with a stunning ocean view at our covered dining terrace,
which provides shelter from both the sun and sudden rain showers.
A selection of light meals, shaved ice, snacks, and drinks (including alcohol) are available for purchase.
BBQ plans are also available with advance reservation.
Guests with a lunch voucher included in their plan will enjoy their lunch at the dining terrace.
The BBQ is held at the dining terrace.
Enjoy your BBQ with a stunning ocean view at our covered dining terrace,
which provides shelter from both the sun and sudden rain showers.
Yes, warm showers are available free of charge.
Please note that shampoo and soap are not permitted in order to protect the natural environment.
Please also be mindful of water conservation, as fresh water is not available on the island.
Yes, free lockers are available on the island.
Please note that availability is limited.
Guests are responsible for the safekeeping of their own valuables.