Park & nature
Piti Bomb Holes Marine Preserve
Some booking links are affiliate links. If you book through them, we may earn a small commission at no extra cost to you. We never let this influence which places we recommend.
Piti Bomb Holes Marine Preserve is a protected marine area off Guam's west coast, named for underwater depressions formed by WWII bombings that now host thriving coral ecosystems. Visitors can snorkel or dive in clear, calm waters to see colorful fish, sea turtles, and intricate coral heads. The site features a marked snorkel trail with submerged interpretive signs, making it easy to explore. Its sheltered location and abundant marine life make it a top spot for both beginners and experienced underwater enthusiasts.
Don't miss
- Snorkel the marked underwater trail with interpretive signs
- Spot green sea turtles and clownfish among the coral
- Explore the bomb crater formations that create unique habitats
Tickets & tours
Ways to visit Piti Bomb Holes Marine Preserve
You can explore Piti Bomb Holes Marine Preserve at your own pace. A tour is worth it mainly for transport, or for pairing it with nearby sights in one day.
Cheapest way inHanauma Bay Snorkeling from Waikiki4.4★ · 1,347 travelers~6 hoursFree cancellationFrom$56 per personSee dates →
Most bookedHole in the Rock Cruise & Island Tour - with two island stopovers4.9★ · 838 travelers~5 hoursFree cancellationFrom$101 per personSee dates →
Private & flexiblePico Island lakes, craters & volcanic curiosities - Private tour5★ · 22 travelers7-8 hoursFree cancellationFrom$210 per personSee dates →More attractions in Hagatna