Best Things to Do in Okinawa 2026: Churaumi Aquarium, Kouri Island, Shuri Castle's Main Hall and Beaches

How do you pick Okinawa sights without wasting a trip? For first-time visitors, the usual picks are Churaumi Aquarium and Kouri Island in the north, Shuri Castle and Kokusai-dori in Naha, and one beach where you can swim. The big news of autumn 2026 is that Shuri Castle's main hall has been rebuilt and is scheduled to reopen on November 23 under a reservation system. This guide lists Okinawa's best sights by area, with tickets, hours, transport and swimming-season cautions, to help you decide which are worth fitting in.

Okinawa Attractions Overview: By Area

Okinawa's main island is long and narrow, and its sights fall into four areas. The north is a long drive but the most iconic, Naha and the south suit travelers without a car, and the central west coast is where resort hotels and beaches cluster.

Churaumi Aquarium: Tickets, Hours and Highlights

Okinawa Churaumi Aquarium (沖縄美ら海水族館) is in Ocean Expo Park in Motobu, northern Okinawa, and is the island's most iconic sight. The star is the "Kuroshio Sea" tank, where whale sharks and manta rays glide right in front of you.

Tickets and Opening Hours

According to the aquarium's official site, regular tickets are as follows^[1]:

Online ticket sales are also available, so you can buy an e-ticket in advance^[1]. The usual hours are 8:30 to 18:30, with last entry at 17:30. Hours have been extended into the evening in past summers, so check the official site for each year's extended schedule. The site also states there are no scheduled closures through March 31, 2027, and it is open as usual over the New Year, though it may close unexpectedly in conditions such as typhoons^[2].

Visiting Tips

• The first slot after opening and the afternoon are quieter, while tour groups peak around midday.
• Ocean Expo Park around the aquarium is large, and Emerald Beach in the park is good for a seaside stroll.
• For getting there from Naha by bus or car, see Okinawa without a car and the Okinawa driving guide.

Kouri Island: The Sea Bridge and Northern Okinawa's Best Drive

Kouri Island (古宇利島) is the most popular offshore island in the north, connected to Yagaji Island by the Kouri Bridge. The bridge opened in 2005, is 1,960 m long, and is free to cross^[6]. Driving across it with translucent emerald water on both sides is one of the classic Okinawa road-trip scenes.

Things to do on Kouri Island:

• Photograph the bridge from the beach at its foot: Kouri Beach, at the island end, sits right by the bridge with shallow, beautiful water that is good for playing in the sea in summer.
• Heart Rock (ハートロック): A heart-shaped rock on a beach on the island's north side, easier to see in full at low tide.
• Drive around the island: The loop around this small island is short, with cafes and seaview restaurants along the way.

Kouri Island and Churaumi Aquarium are both in the north, so putting them on the same day works best. On the Yagaji Island side of the bridge there is an observation parking area, a good place to stop if you want to get out and photograph the bridge.

Shuri Castle: Main Hall Reopens on November 23, 2026

Shuri Castle was the royal castle of the Ryukyu Kingdom, and its ruins are part of the World Heritage "Gusuku Sites and Related Properties of the Kingdom of Ryukyu." After a fire in October 2019 destroyed the main hall and other buildings, reconstruction continued, and the main hall is scheduled to open to the public from noon on November 23, 2026 (Monday, a national holiday)^[3].

You Need a Reservation for the Main Hall

• Entering the main hall is by advance reservation, with a limit on visitors^[5].
• If spaces remain on the day, you can buy a same-day ticket online or at the Koufukumon gate ticket office, up to 15 minutes before the time slot starts^[5].
• When reservations are full you cannot enter the main hall, but you can still visit the paid area, which includes the hall's exterior^[5].
• Free-entry visitors such as annual pass holders also need a reservation (except preschool children)^[5].
• Shuri Castle Park is temporarily closed all day on November 22 and in the morning of November 23^[3].

Admission Changes

Admission to the paid area of Shuri Castle Park changes for entry from November 23, 2026^[4]:

Visiting the main hall costs nothing extra; a ticket for the paid area is enough^[5]. From July to November 2026, park hours are 8:00 to 19:30 for the free area and 8:30 to 19:00 for the paid area^[3]; for hours from December, check the official site again. You can take the Yui Rail monorail to Shuri Station and walk, so it is easy to reach without a car.

Central and Southern Sights: Cape Manzamo, American Village and Sefa Utaki

Cape Manzamo: Sea Cliffs and Sunsets in Onna

Cape Manzamo (万座毛) is on the Onna coast, an uplifted coral-reef sea cliff with a rock that looks like an elephant's trunk, and a popular place on the west coast to watch the sunset. There are rest facilities nearby, and a small viewing fee is charged; check on-site notices for the amount and hours. With resort hotels all around, it suits the evening of a day you stay in Onna.

American Village: Chatan's Seaside Night-View District

American Village (アメリカンビレッジ) in Chatan is a district of American-style shops and a Ferris wheel, liveliest from late afternoon into the night. It sits next to the Sunset Beach area, so you can stroll and watch the sunset, then have dinner.

Sefa Utaki: The Most Sacred Site of the Ryukyus

Sefa Utaki (斎場御嶽) is in Nanjo and was the highest-ranking sacred site in the Ryukyu Kingdom era, also a World Heritage site. Its signature view is the triangular gap formed by overlapping boulders. Tickets must be bought at the Nanjo City Local Products Center nearby. The site closes for a set period each year in the fifth and tenth months of the lunar calendar, so check dates and fees on the Nanjo City tourism association website before you go.

A New Northern Sight: JUNGLIA OKINAWA

JUNGLIA OKINAWA, a theme park that opened in July 2025 on the border of Nakijin Village and Nago in the north, focuses on adventure attractions in subtropical forest. Tickets have different prices for domestic residents and overseas visitors, so check the official site.

How to Choose an Okinawa Beach: Swimming Season and Safety

Okinawa's swimming season runs from about late March to around October, and at many beaches the swimming period ends at the end of October^[7]. In October daytime temperatures can still reach around 30 degrees Celsius and the water is usually still warm; from November, water temperatures fall below 25 degrees, and a wetsuit is recommended for snorkeling and diving^[7].

Among main-island beaches listed by Visit Okinawa Japan, examples with lifeguards and jellyfish nets include^[9]:

• Naminoue Beach (Naha): The only beach in the city, reachable without a car.
• Araha Beach (Chatan): Close to American Village.
• Zanpa Beach (Yomitan): Close to Cape Zanpa.
• Sesoko Beach (Motobu, north): Easy to pair with Churaumi Aquarium.
• Nagusuku Beach (Itoman, south): Not far from Naha Airport.

Safety Rules You Must Know

1. Swim only inside the "jellyfish net" area. Box jellyfish (ハブクラゲ) stings happen in Okinawa all year, and waters without a protective net are very dangerous^[8].
2. Wear a rash guard or wetsuit to reduce exposed skin, and bring vinegar to the beach^[8].
3. If stung by a box jellyfish, leave the water, do not rub the area, pour plenty of vinegar to remove the tentacles, then cool it with ice and see a doctor. Do not rinse with fresh water or alcohol, or rub with sand^[8].
4. For emergencies at sea, call 118 for the Japan Coast Guard^[9].
5. Check the beach's posted swimming period and hours, and do not enter the water after the lifeguards go off duty.

How to Plan Okinawa Sights Smoothly

• One day in the north: Churaumi Aquarium, Kouri Island and Sesoko Beach. Leave in the morning and return in the evening.
• One day in Naha: Shuri Castle (reserve the main hall after November 23), Kokusai-dori and dinner at the public market.
• Half a day to a day in the central area: Cape Manzamo in the afternoon and American Village for the sunset.
• South, if you have time: Sefa Utaki and a seaside cafe.

When you are hungry after all that, see the Okinawa food guide. More Okinawa travel articles are collected under Okinawa travel, and other regions' sightseeing ideas are under Japan sightseeing topics.