12 spots
Shikoku Aquarium Map
Every aquarium in Shikoku, ranked and placed on the map — all 12 of them, from the big names to the local tanks.
1KagawaShikoku AquariumShikoku's largest aquarium, showcasing the diverse marine life found across the island's unique coastlines.Step inside to see the "Shikoku Scape," featuring artistic tanks like the swirling hammerhead shark habitat viewed from below. The open-air dolphin pool is a highlight, offering a stunning backdrop of the Seto Inland Sea that blends the performance directly into the ocean horizon.Located a short walk from Utazu Station, this facility distinguishes itself from urban mega-aquariums through its focus on local aesthetics. While many sites rely on sheer volume, Shikoku Aquarium prioritizes atmospheric timing. If you visit during the summer or on specific weekends, look for the "Night Aquarium" hours. The lighting transforms the exhibits into ethereal galleries, and the lack of crowds creates a serene, romantic atmosphere. Don’t miss the Kamome Cafe, where you can try snacks inspired by Kagawa ingredients while watching ships pass by on the Seto Inland Sea. Compared to Osaka’s Kaiyukan, it offers a more intimate and photogenic experience, particularly for those looking to capture the interaction between modern architecture and nature. The facility is fully accessible and includes educational zones focused on the Shikoku pilgrimage routes. Pro-tip: Check the sunset time before your visit; the dolphin show timing is often adjusted to provide the best possible view of the sun dipping below the Great Seto Bridge.View on Traveldoko
2KochiMuroto Schoolhouse AquariumA former elementary school transformed into a quirky aquarium where sea life inhabits classrooms.Wander through hallways where outdoor swimming pools house hammerhead sharks and turtles. Instead of textbooks, the original hallway washbasins now display colorful starfish and sea slugs. This creative repurposing breathes new life into the Muroto coastline while showcasing the diverse species found in local Shikoku waters.The journey of Shiina Elementary School didn't end with its closure in 2006. Reopening in 2018, it quickly became a viral sensation for its "low-budget, high-concept" approach. Unlike grand city aquariums, there are no flashy dolphin shows here; instead, the charm lies in the small, clever details. Look for the handwritten labels that feel like classroom assignments and the staff who often wear work clothes reminiscent of school janitors or teachers. For a unique souvenir, try your luck with the "mackerel lottery" (saba-kuji), where every participant wins a stuffed mackerel toy of varying sizes. Since the facility relies heavily on local fishing catches, the species on display can change unexpectedly depending on what gets caught in nearby fixed nets. Visitors can even buy "school lunch" themed snacks nearby to complete the nostalgic experience. Pro tip: The rooftop offers a stunning view of the Pacific Ocean, providing a stark contrast between the quiet school halls and the vast wild sea. It’s a heartfelt tribute to the local community's history and a lesson in sustainable tourism.View on Traveldoko
3KochiAshizuri Aquarium SATOUMIShikoku's largest aquarium showcasing the unique ecosystem where the Kuroshio Current meets a lush forest.Reopened in 2020, this facility mirrors the local Tatsukushi coastline. You will encounter over 15,000 creatures across various zones, including vibrant coral reefs and deep-sea species that thrive in the surrounding marine park, providing a direct look at the region's incredible biodiversity.The experience begins in a simulated forest where river streams flow beneath your feet, leading you gradually toward the Pacific depths. The centerpiece is the Tatsukushi Bay Main Tank, which meticulously replicates the actual underwater topography found just outside the building. This allows you to view massive cabbage coral formations and colorful tropical fish exactly as they appear in the wild without needing a diving license. For a hidden gem, head to the rooftop terrace; it offers an unobstructed panoramic view of the rugged coastline and the vast horizon. A great visitor hack is to purchase the 'Set Ticket' which includes entry to the nearby Ashizuri Underwater Observation Tower. This allows you to compare the curated indoor exhibits with the raw, unpredictable ocean floor of the marine park. If you are traveling with children, look for the hand-drawn information plaques created by the staff, which offer charming insights into the individual personalities of the resident sea turtles and otters. Since the location is at the southernmost tip of Shikoku, it is best to pair your visit with a walk along the Minokoshi Coast to see the strange rock formations shaped by millennia of erosion.View on Traveldoko
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Katsurahama AquariumJapan’s cult-favorite aquarium famous for its eccentric mascot and incredibly close-up animal encounters. — Established in 1931, this open-air facility trades high-tech tanks for personality. Visitors can hand-feed giant sea turtles and penguins, or observe rare Akame (Japanese lates), a legendary fish native to Kochi's waters. Its unconventional staff-led social media has turned it into a national sensation.Kochi - 5
Hiwasa Chelonian Museum CarettaA rare museum dedicated entirely to sea turtles, built beside a National Natural Monument nesting beach. — Explore the outdoor 'Sea Turtle Hill' to witness these marine wanderers at every life stage, from tiny hatchlings to century-old giants. The facility serves as a vital research hub, documenting decades of conservation efforts on the adjacent sands where loggerhead turtles return annually to continue their ancient lifecycle.Tokushima - 6
Dolphin Farm ShimanamiJapan’s largest dolphin interaction facility, where you can swim with dolphins in the open sea. — Located on Hakatajima Island, this unique sanctuary lets you observe bottlenose dolphins from floating piers without glass walls. You can choose between interaction programs involving feeding and touching from a platform or swim programs to join them directly in their natural saltwater environment.Ehime - 7
New Yashima AquariumA rare mountain-top aquarium situated 300 meters above sea level on the historic Yashima plateau. — This intimate facility is one of the few places in Japan where you can observe gentle American Manatees. Beyond the marine life, the observation deck offers a spectacular panoramic perspective of the Seto Inland Sea’s iconic "scattered islands."Kagawa - 8
Marine Natural History Museum Marine JamAn aquarium and coastal hub home to Japan's largest colonies of rare Hanagasa coral. — Board the "Blue Marine" semi-submersible glass-bottom boat to explore the underwater wonders of Takegashima Marine Park. Inside the museum, discover local sea life including colorful tropical fish and interactive touch pools where visitors can handle starfish and sea cucumbers.Tokushima - 9
Osakana-kan AquariumA specialized freshwater aquarium showcasing the rare giant "Akame" fish of Japan's last clear stream. — Located in Matsuno, this riverside sanctuary features an impressive circular tank where the red eyes of the mysterious Akame glow. Visitors can get surprisingly close to playful Humboldt penguins during their daily walks and explore diverse aquatic life from the nearby Shimanto River basin.Ehime - 10Shimanto River Gakuyukan Fish MuseumA specialized aquarium showcasing the biodiversity of Japan’s last clear stream, the Shimanto River. — Observe over 300 species of fish, including the legendary Akame (Japanese Lates) with its glowing red eyes. The facility uses massive tanks to recreate the river’s ecosystem from headwaters to estuary, offering a rare look at the life thriving beneath the surface of Kochi’s iconic waterway.Kochi
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Image credits
- 1. Shikoku Aquarium — Totti / CC BY-SA 4.0
- 5. Hiwasa Chelonian Museum Caretta — Totti / CC BY-SA 4.0
- 7. New Yashima Aquarium — ROmas / Public domain
- 8. Marine Natural History Museum Marine Jam — 運動会プロテインパワー / CC BY-SA 4.0
- 9. Osakana-kan Aquarium — As6022014 / CC BY-SA 3.0