11 Islands in Wakayama worth your time
Japan Gems
11 Islands in Wakayama, with what to see and how to get there.
Wakayama has 11 islands on Japan Gems. Below are the 11 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 islands in Wakayama.
01
Engetsu Island
WAKAYAMA · PLACE 円月島
A national scenic beauty spot in Shirahama featuring a natural sea cave arch that frames the setting sun.
What it is
- A small island officially named Takashima measuring 130 meters north to south.
- A designated national scenic beauty spot known for its central sea cave.
- The name Engetsu Island originated from a poem written around 1887.
- The central arch underwent reinforcement construction in 2014 to prevent rock collapse.
What to see
- A natural sea cave measuring nine meters wide in the island center.
- Marine life including octopuses, squids, and sea urchins inhabiting the area.
- Views of the sunset visible through the cave during specific times of year.
When to go
- Visit during the spring and autumn equinoxes to see the sunset through the cave.
- Spring tide low tides allow visitors to walk out to the island.
- Unauthorized access is prohibited due to the risk of falling rocks.
Getting there
- Take a Meiko bus from Shirahama Station to the Rinkai bus stop.
02
Cape Shionomisaki
WAKAYAMA · PLACE 潮岬
The southernmost point of Honshu island, offering vast Pacific views and a historic lighthouse within a national park.
What it is
- The southernmost point of Japan's main island, Honshu, facing the Pacific Ocean.
- A tied island formed by a sandbar within the Yoshino-Kumano National Park.
- Part of the Nanki Kumano Geopark featuring the southernmost post office on Honshu.
- A scenic coastal area home to a lighthouse established in 1873.
What to see
- The historic Shionomisaki Lighthouse which has stood since the late nineteenth century.
- A large, open lawn area known as Boro-no-Shiba overlooking the sea.
- The Kushimoto Ohashi Bridge connecting the mainland to the nearby Kii Oshima island.
When to go
- Evening is ideal to experience one of Japan's top 100 designated sunset spots.
Getting there
- Take the Kushimoto Community Bus departing from JR Kushimoto Station.
03
Wakayama Marina City
WAKAYAMA · PLACE 和歌山マリーナシティ
An artificial island in Wakayama Bay featuring a European-themed park, fresh seafood markets, and natural hot spring baths.
What it is
- An artificial island covering sixty-five hectares in Wakayama Bay.
- Built by Matsushita Kosan for the 1994 World Resort Expo.
- A multi-purpose resort area including a theme park and a registered Sea Station.
- A component of the Minato Oasis Wakaura development.
What to see
- Porto Europa theme park featuring Mediterranean-style architecture.
- Black Tide Market where visitors watch live tuna carving shows.
- Kishu Kuroshio Onsen hot spring facility for relaxation.
- A yacht club that hosts the Inter-High School Sailing Championships.
- The venue used for the 2020 Tokyo Olympics torch relay celebration.
Getting there
- Buses from JR Wakayama Station reach the island in thirty minutes.
- The site is a ten-minute drive from the Hainan Interchange.
- Official site
- www.marinacity.com
04
Kashima
WAKAYAMA · PLACE 神島
An uninhabited national natural monument in Tanabe Bay preserved for its rare broad-leaved evergreen forest and scenic coastal beauty.
What it is
- An uninhabited island in Tanabe Bay designated as a national natural monument.
- A protected area within the Yoshino-Kumano National Park covering 2.99 hectares.
- A site preserved by Minakata Kumagusu and visited by Emperor Showa for biological research.
- A designated national place of scenic beauty consisting of two parts named Oyama and Koyama.
What to see
- A dense forest primarily composed of broad-leaved evergreen trees.
- The natural habitat of the Entada phaseoloides plant species.
- Views of the island located approximately 500 meters from the mainland.
- The preserved landscape that serves as a biological research site.
When to go
- Landing on the island requires advance permission from the Tanabe City Board of Education.
05
Kuroshima
WAKAYAMA · PLACE 九龍島
An uninhabited island and National Scenic Beauty that served as a historic naval base for the Kumano Navy.
What it is
- An uninhabited island located off the coast of Kushimoto Town in Wakayama Prefecture.
- A former base for the Kumano Navy during the Genpei War.
- Designated as a National Scenic Beauty in 2015.
- Part of the Minakata Mandala Scenery and a television filming location.
What to see
- Subtropical plants growing across the entire island landscape.
- Views of the island from National Route 42.
- The island terrain situated one kilometer from the Kozagawa River mouth.
When to go
- Summer months when the island receives the most visitors.
- The Obon season is a popular time for tourism.
Getting there
- Access the island by canoe or kayak from the mainland.
06
Bentenjima
WAKAYAMA · PLACE 弁天島
A small island in Nachi Bay accessible by foot at low tide, featuring a shrine and views of Nachi Falls.
What it is
- A small island in Nachi Bay measuring approximately 200 meters long and 100 meters wide.
- Home to a shrine dedicated to Hakuhebi Benten for maritime safety and business prosperity.
- A sacred site where local fishermen worship for safety and success at sea.
What to see
- A red torii gate standing on the south side of the island.
- Views of the famous Nachi Falls from across the water.
- Three small islands located on the northern side of the main island.
- A shrine dedicated to the deity Hakuhebi Benten.
When to go
- Visit during low tide to walk the 100 meters from the mainland to the island.
- Attend the local festival featuring a traditional mochi toss on March 3rd.
07
Nakanoshima
WAKAYAMA · PLACE 中ノ島
A private resort island in Katsuura Port acting as a natural breakwater and offering a secluded coastal escape.
What it is
- A private island located at the entrance of Katsuura Port in Wakayama.
- The entire island belongs to the Kumano Bettei Nakanoshima resort.
- It functions as a natural breakwater for the surrounding harbor.
- The island is situated within a scenic rias coastline area.
What to see
- Views of the major tuna fishing base at Katsuura Port.
- The rias coastline formations surrounding the island and harbor.
- Infrastructure including underwater pipes that supply water from the mainland.
Getting there
- Take a private boat from Nachikatsuura Pier to reach the island.
- The boat trip from the pier takes approximately three minutes.
08
Ukijima no Mori
WAKAYAMA · PLACE 浮島の森
Japan's largest floating island features a unique ecosystem where cold and warm region plants coexist on a peat layer.
What it is
- A national natural monument consisting of a plant community on a marsh pond.
- The largest floating island in Japan, measuring 85 meters by 60 meters.
- A former sacred training ground for Shugendo practitioners with local folklore legends.
- A unique ecosystem where cold-region and warm-region plants grow together.
What to see
- A floating peat layer between 30 and 60 centimeters thick.
- Natural cedar trees which serve as the dominant species on the island.
- A diverse collection of plant life supported by water from the Kumano River.
Getting there
- The site is located a six-minute walk from Shingu Station.
09
Kii Ōshima
WAKAYAMA · PLACE 紀伊大島
Wakayama's largest island features Japan's oldest stone lighthouse and a museum commemorating a historic 1890 Turkish naval disaster.
What it is
- The largest island in Wakayama Prefecture, spanning 9.68 square kilometers.
- A populated island connected to the mainland by the Kushimoto Ohashi Bridge.
- Part of the Yoshino-Kumano National Park off the coast of Kushimoto Town.
- Site of the 1890 Ertugrul shipwreck and a modern radar base.
What to see
- Kashinozaki Lighthouse, which is the oldest stone lighthouse in Japan.
- The Turkish Memorial Museum dedicated to the 1890 naval disaster.
- Minato Shrine, which enshrines the deity Homutawake no Mikoto.
- A subtropical botanical research station operated by Kyoto University.
10
Sobietoshima
WAKAYAMA · PLACE ソビエト
This tiny uninhabited island off the Wakayama coast serves as a critical territorial sea base point for the Japanese government.
What it is
- An uninhabited island measuring ten meters by five meters in Susami Town.
- One of Japan's official territorial sea base points since August 2014.
- A location used by local fishermen long before its official government designation.
- A small rocky outcrop standing approximately five meters high off the Mirozu coast.
What to see
- Rough waves surrounding the small island perimeter.
- A known fishing spot located west of Shionomisaki.
- Views of the island hidden behind the larger Okinokuroshima Island.
- A landmass so small that only a few people can land at once.
11
Komariyama Island
WAKAYAMA · PLACE 小鞠山島
An uninhabited private island in Ikeda Bay featuring dense forests and sandy beaches accessible by a short boat ride.
What it is
- An uninhabited island located within Ikeda Bay in Shirahama.
- A private land mass covering approximately 3,384 square meters.
- A natural site featuring flat areas suitable for potential building construction.
What to see
- Dense forests covering the majority of the island interior.
- Sandy beaches that surround the entire perimeter of the island.
Getting there
- A fifteen-minute drive from Shirahama Station to the coast.
- Boat access is available from Katata Fishing Port.
- A five-minute boat ride from the mainland to the island.