20 Castles in Okinawa worth your time
Japan Gems
Okinawa Prefecture has 19 castles, including Nakagusuku Castle and Izena Castle. These sites offer a glimpse into the region's unique historical architecture.
Okinawa has 24 castles on Japan Gems. Below are the 20 we can tell you the most about — each one written up in English from Japanese sources, with what to see and how to get there. See all castles in Okinawa.
01
Furusutobaru Castle
OKINAWA · CASTLE フルスト原遺跡
A 14th-century hilltop fortress site featuring unique coral limestone enclosures and sacred sites overlooking the Ishigaki coastline.
What it is
- A national historic site spanning over twelve hectares on a coastal hill.
- The traditional residence of the local historical figure Oyake Akahachi.
- A fortified settlement dating from the 14th to the late 16th century.
- A site containing ancient tombs and sacred Utaki ritual spaces.
What to see
- Fifteen stone enclosures constructed entirely from local coral limestone.
- Seven restored stone structures showing the original layout of the castle.
- Excavated fragments of Chinese ceramics and traditional Yaeyama pottery.
- Views from the hill situated twenty-five meters above sea level.
Getting there
- The site is accessible by car via the Tanado city road.
02
Agena Castle
OKINAWA · CASTLE 安慶名城
A national historic site featuring rare double stone walls and a bullfighting ring built within ancient coral limestone castle ruins.
What it is
- A mountain castle built on coral limestone cliffs designated as a national historic site.
- The former base of the Agena Okawa Anji clan reconstructed in 1453.
- A historic site currently functioning as Agena Central Park in Uruma City.
- A rare contour-style fortification also known as Okawa Castle.
What to see
- Rare double stone walls following the natural contours of the limestone cliffs.
- A bullfighting ring located in the center of the castle ruins.
- The historic tombs of the Agena Anji family located on the grounds.
- Excavated artifacts including Chinese ceramics and pottery from the Gusuku period.
03
Itokazu Castle
OKINAWA · CASTLE 糸数城
A national historic site featuring ancient stone ruins and sacred grounds built atop a cliff-protected plateau in southern Okinawa.
What it is
- A national historic site reportedly built by the third son of Tamagusuku Anji.
- A former fortress that eventually fell under the control of the Sannan King.
- The original location of Neishi Gusuku and a later castle town.
- A site designated for historical preservation since 1972.
What to see
- High stone walls and a main gate located on the eastern side.
- Natural cliffs that provide a defensive barrier on three sides of the site.
- The sacred site of Neishi Gusuku no Taki dedicated to ancestral spirits.
- The ruins of a village that moved west following an 1886 epidemic.
04
Ōzato Castle
OKINAWA · CASTLE 島添大里城
A National Historic Site featuring the ruins of a strategic fortress that served the Sho Dynasty and Nanzan kings.
What it is
- The former residence of the Shimazoe Ozato Aji located in southern Okinawa.
- A detached palace for the Sho Dynasty captured by Sho Hashi in 1402.
- A site designated as a National Historic Site by the Japanese government in 2012.
- A former military base during World War II that later served as a public park.
What to see
- The Shimazoe Ozato Castle Ruins which were officially named and protected in 2012.
- Archaeological remains uncovered during excavation work that began in 1990.
- The site of a former fortress once considered a residence for the King of Nanzan.
05
Uegusuku Castle
OKINAWA · CASTLE 宇江城城
A historic mountain castle ruin on Kumejima's highest point offering panoramic views of the island and surrounding ocean.
What it is
- A mountain castle built in the Teikaku style on the summit of Mount Uegusuku.
- Founded by the eldest son of Chinaha Anji before its destruction in fifteen ten.
- Designated as a national historic site after being returned from military use.
- The site stands three hundred ten meters above sea level.
What to see
- Ruins of a fortress destroyed by Ryukyuan royal forces.
- Panoramic views of the island from the highest elevation on Kumejima.
- Historical grounds formerly occupied by United States and Japanese military forces.
06
Nago Castle
OKINAWA · CASTLE 名護城
Explore 14th-century castle ruins and sacred sites, known for cherry blossoms and historical artifacts.
What it is
- Castle ruin in Nago City, Okinawa Prefecture.
- Maintained as Nago Central Park.
- Built around the 14th century.
- Said to be the residence of the Nago Aji.
What to see
- Castle ruins on a mountain about 100 meters high.
- Defensive facilities called double moats.
- Remains of sacred sites like Noro-denchi.
- Excavated 14th-15th century Chinese ceramics.
- Excavated Gusuku period pottery.
- Nago Shrine on the hillside below.
When to go
- One of Japan's Top 100 Cherry Blossom Spots.
07
Shimotabaru Castle
OKINAWA · CASTLE 下田原城
Explore ancient Ryukyu history at this unique coral-walled island castle ruin.
What it is
- A gusuku (castle) on Hateruma Island.
- Designated a National Historic Site in 2003.
- Shows the history of the Ryukyu Kingdom.
- Currently part of Buribuchi Park.
What to see
- Castle on a cliff 25 meters above sea level.
- Walls made of coral limestone.
- Eight kuruwa-like structures within.
- Traces of a lookout, stone chamber, and well.
- Excavated 15th-16th century Chinese celadon fragments.
Getting there
- About a 15-minute walk from Hateruma Port.
08
Chatan Castle
OKINAWA · CASTLE 北谷城
Explore the large ruins of a historic Okinawan castle, recently returned to Japan.
What it is
- A gusuku (castle) in Chatan Town, Okinawa Prefecture.
- It was a base for Chuzan from the late 13th to early 16th century.
- Designated as a national historic site.
- Also known as Okawa Gusuku or Ike Gusuku.
What to see
- Covers an area of 15,000 square meters.
- Considered one of the largest gusuku in Okinawa.
- Four enclosures: Ichi-no-kaku, Ni-no-kaku, San-no-kaku, and Shi-no-kaku.
- Excavations found Gusuku pottery, celadon, white porcelain, and old coins.
09
Iha Castle
OKINAWA · CASTLE 伊波城
Explore ancient castle ruins with unique stonework and archaeological finds, offering a glimpse into Okinawa's past.
What it is
- A gusuku (castle) ruin in Uruma City, Okinawa Prefecture.
- Designated as a historic site of Okinawa Prefecture.
- Built by Iha Anji in Iha Village.
- Dates back to the 13th to 15th centuries.
What to see
- Castle walls built with natural, unprocessed stones.
- Numerous pillar holes from 1989 excavations.
- Local and foreign pottery, and Chinese ceramics.
- Shells, fish bones, and pig bones from centuries ago.
- Pottery from the 2800-year-old Kaizuka period.
10
Nakijin Castle
OKINAWA · CASTLE 今帰仁城
Nakijin Castle is a historic site with castle walls, offering views of the East China Sea.
What it is
- Castle site, continuously occupied until 1609.
- Seat of the Hokuzan kingdom.
- Walls built from the fourteenth century.
What to see
- 1/100 scale model of the castle walls.
- Rocky, mountainside site dominating Motobu Peninsula.
- View overlooking the East China Sea.
- Steep gorge dropping to the Shigema River.
- Prominent walls of irregularly stacked ancient limestone.
- Nine wards, including Main Ward at the highest point.
- Official site
- nakijinjo.jp
11
Urasoe Castle
OKINAWA · CASTLE 浦添城
Explore Urasoe Castle ruins, a historic Okinawan site with unique coral foundations and significant past.
What it is
- A castle ruin in Urasoe City, Okinawa Prefecture.
- Designated a national historic site on August 11, 1989.
- Foundation built on a coral cliff.
- A key point during the Battle of Okinawa.
What to see
- Urasoe yodore is located below the castle ruins.
- The castle measures about 380 meters east-west.
- The northern side is a steep cliff.
- The southern side is a gentle slope.
- Wakaraji rock is at the eastern end.
12
Katsuren Castle
OKINAWA · CASTLE 勝連城
Katsuren Castle is a Ryukyu gusuku offering panoramic ocean views and insight into a united kingdom's history.
What it is
- Ryukyu castle ruins, called gusuku, from 13th to 16th centuries.
- Associated with Lord Amawari, who ruled in the 15th century.
- One of several UNESCO World Heritage castle ruins in Okinawa.
What to see
- Panoramic view of the ocean and terrain from castle heights.
- Remarkable curved walls of limestone, unique to Ryukyu castles.
- Five wards on separate levels, each with massive limestone walls.
- Official site
- www.katsuren-jo.jp
13
Tamagusuku Castle
OKINAWA · CASTLE 玉城城
Tamagusuku Castle is a historic Okinawan castle ruin with unique rock-carved gates and sacred sites.
What it is
- A castle ruin in Nanjo City, Okinawa Prefecture.
- Designated a national historic site in 1987.
- Estimated to be about 600 years old.
- A sacred place for the Agari Umaai pilgrimage.
What to see
- Castle walls of the main enclosure are almost intact.
- Castle gate carved out of a single natural rock.
- Amatsugi Utaki sacred site in the main enclosure.
- Views from a naturally high plateau.
14
Sashiki Castle
OKINAWA · CASTLE 佐敷城
Explore Sashiki Castle, a historic Okinawan gusuku and former residence of influential Ryukyuan kings.
What it is
- A gusuku, or castle, on southern Okinawa Island.
- Designated as a national historic site.
- Residence of Sho Shisho and Sho Hashi.
- Sho Hashi gained support by distributing farm tools.
What to see
- Steep slopes on three sides of the castle.
- Tsukishiro-gu shrine, built in 1938.
- Observation deck and outdoor stage.
- Pillar holes on three flat areas.
- Excavated Chinese celadon bowls.
15
Aniya Castle
OKINAWA · CASTLE 安谷屋城
Aniya Castle is a 14th-century Okinawan castle ruin with historical artifacts and worship sites.
What it is
- A castle ruin, also known as Adaniya Gusuku.
- Built on an eastern hill of Wakamatsu Park.
- Home to Aniya Aji and later Lord Wakamatsu.
- Dates back to the 14th to 15th centuries.
What to see
- A renkaku-style gusuku with two baileys.
- Remains of water wells and worship places.
- Pottery and porcelain fragments were found here.
- The castle measures 130m north-south, 60m east-west.
16
Gushikawa Castle
OKINAWA · CASTLE 具志川城
Explore Gushikawa Castle ruins, a coastal gusuku with historical artifacts and ocean views.
What it is
- A castle ruin in Itoman City, Okinawa Prefecture.
- Functioned as a gusuku from the late 12th to mid-15th century.
- Designated a National Historic Site on May 15, 1972.
What to see
- Castle site on a coastal cliff, surrounded by sea on three sides.
- Main enclosure, the castle's primary part.
- Second enclosure with a hole leading to the coast.
- Excavated Chinese ceramics.
17
Gushikawa Castle
OKINAWA · CASTLE 具志川城
Explore Gushikawa Castle ruins on Kume Island, a historic site with ocean views.
What it is
- Historic castle ruins on Kume Island, Okinawa Prefecture.
- Built by Ajji Madabushi.
- Designated a national historic site in 1975.
What to see
- Castle ruins on a hill overlooking the East China Sea.
- Cliffs on three sides of the castle.
- Castle divided into four enclosures.
- Pottery from the 14th to 15th centuries was excavated here.
18
Zakimi Castle
OKINAWA · CASTLE 座喜味城
Zakimi Castle is a World Heritage gusuku ruin with unique architecture and panoramic views.
What it is
- A gusuku castle ruin in Okinawa Prefecture.
- Built by the famous castle builder Gosamaru.
- Constructed between 1416 and 1422.
- Registered as a World Heritage Site in 2000.
What to see
- Castle walls with a 365-meter outer circumference.
- Castle gate arch using keystone construction.
- Wide views of the surrounding area from the hill.
19
Yamada Castle
OKINAWA · CASTLE 山田城
Explore Yamada Castle ruins, a 14th-century gusuku, for a glimpse into Ryukyu history and ancient artifacts.
What it is
- A gusuku, a Ryukyuan castle, from the 14th to 15th century.
- First residence of Gosamaru, a key historical figure.
- Designated a national historic site on April 1, 2008.
What to see
- Castle ruins on a Ryukyu limestone plateau.
- Remaining stone walls on the east and west sides.
- Unearthed Chinese ceramics and coins from excavations.
20
Mie Castle
OKINAWA · CASTLE 三重城
Mie Castle is a Ryukyuan gusuku built in 1546 to protect Naha Port.
What it is
- A Ryukyuan gusuku, a type of Okinawan castle.
- Built in 1546 by King Sho Sei.
- Constructed to protect Naha Port.
- Repelled the Satsuma fleet in 1609.
What to see
- Castle ruins at the mouth of the Kokuba River.
- Site of a 1879 watchtower.
- A Japan Coast Guard tower stands there today.
- The site is open to the public.