Top 7 Sea Cave Snorkeling Tours in Japan

1.Okinawa Ishigaki Blue Cave Snorkeling Tour

★★★★★★★★★★5.0 · 332 reviews · from $45Our pick

Visit Ishigaki’s northern Blue Cave, walk ashore among limestone formations, then snorkel through a fish-filled trench. Guides such as Akari, Yuki, Chloe, and Diego have helped beginners and families feel safe in the water. The tour runs about 90 minutes, includes safety gear and photo data, and may switch to another reef when weather closes the cave.

“This tour was absolutely brilliant. The guide was so kind and patient. As someone who is not an excellent swimmer it really did help with someone so patient. He was also very encouraging and took us to see some wonderful reefs.”

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2.Ishigaki Island: Blue Cave Exploration & Snorkeling Tour

★★★★★★★★★★4.7 · 139 reviews · 2 hours · from $47

Swim into Ishigaki’s Blue Cave, walk through its limestone passages, then snorkel over coral and tropical fish for about 1.5 hours. Guides including Makoto, Akari, Sebastian, and Yuki offer English support, safety help, local tips, and free photos. Pickup is available from southern-area hotels, with an alternative beach used when weather makes the cave unsafe.

“We had a great time. We saw many colourful reef fishes. Definitely will book another tour.”

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3.Okinawa Ishigaki Kabira Bay SUP or Canoe and Blue Cave Snorkeling

★★★★★★★★★★5.0 · 94 reviews · from $89

Spend about four hours on Ishigaki with SUP or canoe time at scenic Kabira Bay, followed by snorkeling at Blue Cave. Guides such as Akari, Moe, Sebastian, Seiki, and Loui are praised for careful instruction and photos. Children may use canoes, and weather can change the route.

“The tour is broken up into two halves. In the morning, our guides for SUP were Seiki and Hiro, both knowledgeable and attentive. In the afternoon, we had Susan and Seiki as our guides for blue cave snorkeling, both great & attentive. While Read more”

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4.Okinawa Miyakojima 1 day Sea Turtle Snorkeling & Pumpkin Cave & Sea Kayak

★★★★★★★★★★5.0 · 92 reviews · from $99

Spend about six hours on Miyakojima combining sea turtle snorkeling with canoeing and a physical visit to Pumpkin Limestone Cave. Guides provide safety gear, cave equipment, and free photo data. The tour suits beginners aged 7 to 59, but snorkeling time may be brief and the cave requires climbing, sliding, and a jump at the end.

“Absolutely amazing experience. Very kind and informative tour guide. It was a great time and I strongly recommend”

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5.Okinawa: Blue Cave Private Snorkeling Tour with Guide

★★★★★★★★★★4.8 · 40 reviews · 2 - 3 hours · from $83

Meet Hiro at Maeda Misaki for a private Blue Cave snorkeling trip in Okinawa. After a safety briefing and practice in the sea, you’ll swim over coral reefs, explore the cave, and receive photos taken with his GoPro. Equipment is included, and hotel pickup may be arranged for an extra fee.

“Hiro was a great guide . The weather had changed so he took us to a safer spot which made me feel we were in responsible hands . 2 of us were a bit nervous but he made us feel safe and he made it fun . I was so pleased I engaged in the snorkelling it was beautiful. The pictures he sent us afterwards will be memories we will have forever . Lovely guy . Thanks it was fun .”

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6.Ishigaki Island: SUP or Canoeing and Snorkeling at Blue Cave

★★★★★★★★★★4.7 · 36 reviews · 2 - 6 hours · from $93

Meet at Ishigaki Ferry Terminal for a calm Miyara River paddle through protected mangroves, choosing a SUP or kayak. After a roughly two-hour lunch break, head to the Blue Cave for guided snorkeling. Guides such as Makoto and Jiro have helped participants spot sea turtles and other marine life. Lunch and drinks cost extra.

“We had an amazing time on our tour. Our tour guide, Makoto was full of enthusiasm. On our way to the beach she gave us information of sights, she made sure we were all safe and OK. She showed us some things during the snorkeling such as a Sea Turtle and Sea slug, and also has a great sense of humor. The experience overall was amazing and we’d totally do it again!!”

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7.Ishigaki: Canoe or SUP at Kabira Bay＆Snorkeling at Blue Cave

★★★★★★★★★★4.4 · 24 reviews · 6 hours · from $93

Spend six hours on Ishigaki’s coast with guides such as Makoto, Tomo, Kote, and Yujiro. Paddle calm Kabira Bay by canoe or SUP, then snorkel around the Blue Cave. The tour includes equipment, insurance, photos, and southern-area hotel pickup, but lunch and drinks cost extra.

“On the first day, we went kayaking on a mangrove river and then snorkeling in the open sea with Makoto, with a stop at Phantom Island. On the other day, we went kayaking with Aoi in Kariba Bay and snorkeling at Osaki Beach. Unfortunately, the Blue Cave was canceled that day due to the waves. Makoto, Aoi, and the other staff members were all very kind and accommodating. Everyone put in a lot of effort to make it a wonderful experience. Communication in English worked perfectly. Overall, we had two very beautiful days, and we really enjoyed looking through the photos afterwards. Thank you very much, Team Alexandra”

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