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Shirahama Midsea Observation Tower: CORAL PRINCESS

Explore Shirahama's underwater world at CORAL PRINCESS, an observation tower offering panoramic views of marine life and the Pacific Ocean.

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Venture 100 meters offshore from Shirahama Key Terrace Hotel Seamore to discover the CORAL PRINCESS, an underwater observation tower. Descend 8 meters below the surface via a spiral staircase to view over 30 species of marine life through panoramic windows, offering an immersive experience of Shirahama's vibrant underwater ecosystem.

A brief summary to Shirahama Midsea Observation Tower CORAL PRINCESS (SHIRAHAMA KEY TERRACE HOTEL SEAMORE)

  • 1821 キーテラスホテルシーモアB1F 1821, Shirahama, Nishimuro District, Wakayama, 649-2211, JP
  • +81739-43-1100
  • Visit website

Local tips

  • Check the weather forecast before visiting to ensure optimal visibility for underwater viewing.
  • Visit during feeding times for a chance to see a larger variety of fish.
  • Combine your visit with a stay at the Shirahama Key Terrace Hotel Seamore to enjoy the hotel's amenities.
  • Take advantage of the free infinity footbath on the hotel's terrace after your visit to relax and enjoy the ocean view.
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Getting There

  • Walking

    From Shirahama Key Terrace Hotel Seamore, access the observation tower via the bridge extending over the sea. The entrance is located at the end of the bridge. Note that there are stairs to access the underwater viewing area.

  • Public Transport

    From JR Shirahama Station, take the Meiko Bus to Shirahama Key Terrace Hotel Seamore. From the bus stop, walk through the hotel to access the bridge leading to the observation tower. A Meiko Bus Shirahama Onsen Bus Pass can be purchased for unlimited rides.

  • Taxi

    Take a taxi from JR Shirahama Station or Nanki-Shirahama Airport to Shirahama Key Terrace Hotel Seamore. The taxi will drop you off at the hotel entrance, from where you can walk through the hotel to the bridge leading to the observation tower. Taxi fare from Shirahama Station is approximately ¥1,500 - ¥2,000.

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Discover more about Shirahama Midsea Observation Tower CORAL PRINCESS (SHIRAHAMA KEY TERRACE HOTEL SEAMORE)

The Shirahama Midsea Observation Tower, aptly named CORAL PRINCESS, offers a unique perspective on the marine life thriving just off the coast of Shirahama. Located a short distance from the Shirahama Key Terrace Hotel Seamore, the tower stands 18 meters tall, with its main attraction lying 8 meters below the ocean's surface. To reach the underwater viewing room, visitors descend a spiral staircase, arriving at a circular chamber equipped with 12 viewing windows. These windows provide a panoramic view of the underwater world, revealing more than 30 species of fish, including colorful tropical fish, black sea bream, and scorpion fish. The experience is akin to walking on the seabed, offering an intimate glimpse into the vibrant ecosystem. Above the waterline, the tower provides stunning 360-degree views of the Pacific Ocean and the surrounding Shirahama coastline. The tower is open to visitors daily, providing an all-weather opportunity to explore marine life without the need for diving. After visiting the tower, guests can enjoy a free infinity footbath on the hotel's first-floor terrace.

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