Background

Fish Eye Underwater Observatory, Northern Guam Travel Guide

4.3 (404)

Explore Guam's vibrant marine life without getting wet at Micronesia's only underwater observatory in the Piti Bomb Holes Marine Preserve.

Descend into the depths without getting wet at Fish Eye Underwater Observatory, Micronesia's only underwater observatory. Located in the Piti Bomb Holes Marine Preserve, this unique attraction offers panoramic views of Guam's vibrant marine life through large viewing windows, showcasing colorful coral reefs and diverse fish species.

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
Eve
From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Fish Eye Underwater Observatory.

  • Wear light summer clothing and sunscreen for the walk along the ocean bridge.
  • Check the live feed video monitor on the upper deck if you prefer not to descend the spiral staircase.
  • Consider booking in advance, especially if you want to include the lunch buffet or hotel transfer.

Do you manage this location?

Take control to get all the benefits, like improved information, better appearance, and stronger visibility across AI-powered discovery. Learn more about listing your business on Evendo

Activate your presence

Other nearby places you may find interesting

The closest places of the same kind, if this one is not quite what you had in mind.

Explore Fish Eye Underwater Observatory on the Map

A handpicked selection of must-see spots near Fish Eye Underwater Observatory, mapped for you.

Unlock the Best of Fish Eye Underwater Observatory

Buy tickets

  • No tickets available

Book tours with entry

  • No tours available

Book tours without entry

  • No tours available

Getting There

  • Car

    If driving from Northern Guam, head south on Marine Corps Drive (Route 1). Follow Route 1 for approximately 9 miles, passing through Dededo and Mongmong-Toto-Maite. Continue until the intersection with Route 8 in Piti. Fish Eye Marine Park is on the right at 818 North, Marine Corps Dr. Free parking is available at the visitor center.

  • Public Transport

    Take a Guam Public Transit Authority bus route that services northern villages and heads south towards the main bus terminal in Hagåtña. Transfer to a bus heading towards Piti. Inform the driver you wish to get off at the Fish Eye Marine Park stop. The fare is typically around $2.00 one-way. From the bus stop, it's a short walk to the visitor center.

  • Taxi/Ride-share

    Take a taxi or use a ride-share service like Uber or Lyft. Enter 'Fish Eye Marine Park - Visitor Center' as the destination. Expect to pay around $35-$45 for a one-way trip from central Northern Guam. Confirm the fare with the driver beforehand.

Discover more about Fish Eye Underwater Observatory

The Fish Eye Underwater Observatory offers a unique opportunity to explore Guam's underwater world. Located in the Piti Bomb Holes Marine Preserve, it's the only underwater observatory in Micronesia. The observatory descends approximately 30 feet (9.1 m) underwater, allowing visitors to view the diverse marine life in a natural habitat.The journey to the observatory begins with a stroll along a 900-foot (300 m) wooden bridge that extends over the crystal-clear waters of Piti Bay. The upper deck of the observatory provides 360-degree views of the ocean, coral reefs, and Guam's mountains. Descend the spiral staircase to the underwater viewing chamber, where 24 large windows (16 rectangular and 8 round) offer panoramic views of the marine life.Inside the observatory, you'll encounter over 200 species of fish and 80 varieties of coral. The Piti Bomb Holes are actually natural percolation pits where fresh water filters into the shallow lagoon. The area surrounding the observatory is a popular spot for snorkeling and diving.
Mobile App

Your all‑in‑one travel companion app

Explore expert travel guides, compare and book tours, experiences, hotels, and more—all from the palm of your hand. Download now for seamless trip planning wherever your wanderlust takes you.



Explore More of Northern Guam

Looking beyond Fish Eye Underwater Observatory? Discover Northern Guam for broader travel guides, local hot-spots, and regional highlights.

Explore Northern Guam

Select Currency