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Fish Eye Underwater Observatory: A Window to Guam's Marine Wonders

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Explore Guam's underwater paradise at Fish Eye Underwater Observatory: Micronesia's only underwater observatory in Piti Bay Marine Preserve.

Descend into the depths without getting wet at Fish Eye Underwater Observatory, Micronesia's only facility of its kind, located in the Piti Bay Marine Preserve. A 300-meter ocean bridge leads to a unique viewing chamber where you can marvel at vibrant coral reefs and diverse marine life through panoramic windows.

A brief summary to Fish Eye Underwater Observatory

  • Monday 9 am-5 pm
  • Tuesday 9 am-5 pm
  • Wednesday 9 am-5 pm
  • Thursday 9 am-5 pm
  • Friday 9 am-5 pm
  • Saturday 9 am-5 pm
  • Sunday 9 am-5 pm

Local tips

  • Visit early in the day to avoid crowds and enjoy a more peaceful experience.
  • Wear light summer clothing and sunscreen for the walk along the ocean bridge.
  • Check the schedule for cultural dinner shows to enhance your visit with local entertainment.
  • Bring a camera to capture the stunning underwater views from the observatory.
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Getting There

  • Car

    If driving from Tamuning, head north on Marine Corps Drive (Route 1). Continue for approximately 3.2 km until you see signs for Fish Eye Underwater Observatory at 818 N Marine Corps Drive in Piti. On-site parking is available.

  • Public Transport

    To reach Fish Eye Underwater Observatory via public transportation, take the bus from Tamuning towards Piti. The Guam Public Transit system services this area. Inform the driver you are going to Fish Eye Underwater Observatory. The ride takes approximately 20-30 minutes, depending on traffic. Check the bus schedule in advance, as service may vary. From the bus stop, walk to the observatory entrance at 818 N Marine Corps Drive. Bus fare is approximately $3 for a day pass.

  • Taxi/Ride-sharing

    For a convenient option, take a taxi or ride-sharing service to Fish Eye Underwater Observatory at 818 N Marine Corps Drive in Piti. From Tamuning, the fare typically ranges from $15 to $25. This is a direct and efficient way to reach the observatory.

Discover more about Fish Eye Underwater Observatory

Located in the heart of the Piti Bay Marine Preserve, Fish Eye Underwater Observatory offers a unique opportunity to explore Guam's underwater world. As Micronesia's only underwater observatory, it provides a window into a vibrant ecosystem teeming with marine life. The adventure begins with a stroll along a 300-meter ocean bridge, offering stunning views of Piti Bay. The gentle sea breeze and the turquoise waters create a sense of anticipation for the wonders that lie beneath. Upon reaching the observatory, descend a spiral staircase to the underwater viewing chamber. Here, at a depth of 10 meters, 24 viewing windows (16 rectangular and 8 round) provide a 360-degree panorama of the surrounding coral reefs and marine inhabitants. Marvel at over 200 species of fish and 80 varieties of coral, all in their natural habitat. Keep an eye out for colorful anemonefish, damselfish, and even the occasional turtle or stingray. The observatory is designed for comfort and safety, built to withstand even the most powerful typhoons. For those who prefer to remain above water, a live video feed from an underwater camera is displayed on a monitor in the upper deck. Fish Eye Marine Park also offers additional activities to enhance your visit. Snorkeling tours allow you to get up close and personal with the marine life in Piti Bay. A cultural dinner show provides a taste of local Chamorro culture, complete with traditional music and dance. The park also features engaging exhibits and educational programs that highlight the importance of marine conservation.
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