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About Ehime

Diving in Ehime Prefecture offers an enchanting experience to explore the underwater wonders of Japan's Seto Inland Sea and surrounding coastal areas.

Situated in the northwestern part of Shikoku island, Ehime boasts a diverse marine ecosystem shaped by its unique geographical features and proximity to the Seto Inland Sea. Diving enthusiasts can expect to encounter a wide variety of marine life, from colorful coral reefs to abundant fish species, against the backdrop of stunning underwater landscapes.

One of the prime diving destinations in Ehime is within the Setonaikai National Park, which encompasses parts of the Seto Inland Sea. Here, divers can explore vibrant coral gardens and underwater rock formations while encountering a plethora of marine creatures, including sea turtles, octopuses, and schools of tropical fish. The park's calm and clear waters make it an ideal location for both beginner and experienced divers alike.

In addition to Setonaikai National Park, Ehime Prefecture is home to other notable diving spots, such as those within the Ashizuri-Uwakai National Park and Ishizuchi Quasi-National Park. These protected areas offer pristine underwater environments where divers can marvel at the beauty of nature while exploring hidden coves, sea caves, and dramatic underwater cliffs.

Ehime's commitment to environmental conservation is evident through the designation of several Prefectural Natural Parks, further preserving the region's natural beauty and biodiversity for generations to come.

Whether you're seeking tranquil dives amidst picturesque coastal scenery or thrilling encounters with marine life, Ehime Prefecture promises an unforgettable diving experience that captures the essence of Japan's underwater world.

Local Areas

Ehime Area Map

Areas in Ehime

Tsushima

Underwater Coral garden in Ehime

Tsushima has been famous for it's cultivation of pearls. It is located on the Shikoku Island facing Kyushu Oita prefecture over the Bungo Channel. It is a boat diving location and very popular due to the colony of beautiful tab

What you can see

All Year round:
-Variety of nudibranch
-Variety of Shrimps and Crabs
-Variety of Macro marine life
-Red-belted anthias(Pseudanthias rubrizonatus)
-Convict fish(Microcanthus strigatus)

Shops in the area

Ehime Diving Center 愛媛ダイビングセンター

  • Yawatahama, Ehime
  • Japanese
  • Cash
  • City
  • SSI
  • Shop link

Akehama

Full of marine life, a popular diving destination in Ehime

Situated in the Southern part of Ehime prefecture, it has both the Saw tooth seashore typical of Japan and also the white sand beach stretching about 300m. Underwater, there is a large colony of Stony corals(Scleractinia) and many man made underwater fishing reefs with many marine life. Also due to it's geological location, the waters are dive able even during the bad weather of winter.

What you can see

All Year round:
-Variety of nudibranch
-Variety of Shrimps and Crabs
-Variety of Macro marine life
-Asian sheepshead wrasse(Semicossyphus reticulatus)

Shops in the area

Ehime Diving Center 愛媛ダイビングセンター

  • Yawatahama, Ehime
  • Japanese
  • Cash
  • City
  • SSI
  • Shop link

Ainan

Located on the southern tip of Ehime prefecture, Ocean of Ainan was designated as the first  underwater park in Japan. It hosts variety of marine life, once counted to 849 species of fish (1/4 of all fish seen in the Japanese waters). It is a popular diving area due to the beautiful hard and soft corals also seen abundant here.