Blue Hole: Guam's Underwater Jewel
Explore Guam's iconic Blue Hole: a mesmerizing underwater sinkhole teeming with vibrant marine life and thrilling diving experiences.
The Blue Hole is a stunning natural sinkhole located off the coast of Guam, renowned as one of the island's premier dive sites. This underwater shaft plunges over 300 feet, offering experienced divers a unique opportunity to explore its depths and observe diverse marine life.
A brief summary to Blue Hole
- CJV9+HJ4, Unnamed Road, Sånta Rita-Sumai, GU
Local tips
- The Blue Hole is best experienced as a boat dive due to its location off the coast.
- Ideal conditions for diving are typically from April to December.
- Experienced divers can explore the depths, while those with less experience can enjoy the shallower reef areas.
- Keep an eye out for diverse marine life, including moray eels, rays, and various fish species.
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Getting There
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Boat
The Blue Hole is accessible only by boat, typically departing from Cabras Marina in Apra Harbor. Dive operators in Guam offer tours to the Blue Hole, including transportation. Contact a local dive shop for bookings and departure information. Tour costs vary.
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Public Transport
If starting from a location accessible by Guam Regional Transit Authority (GRTA) bus, take a bus towards Hågatña. From Hågatña, transfer to a route that heads towards Santa Rita. Alight near the intersection of Route 4 and Route 17 in Santa Rita. From there, it is approximately 1.5 miles to an unmarked road, followed by 0.5 miles to the Blue Hole; however, note that the Blue Hole is only accessible via boat, so this route will only get you to the general area. Bus fares are around $2 for a single ride. Due to the distance and limited access to the actual dive site via public transport, this is not a recommended approach.
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Taxi
Taxis are available in Guam, but can be relatively expensive. From Guam International Airport (GUM) to Santa Rita-Sumai, a taxi may cost between $130-$170 and take approximately 29 minutes. From Tumon to Santa Rita-Sumai, expect to pay around $160-$200. Once in Santa Rita-Sumai, you would still need to arrange for boat transportation to the Blue Hole. Taxis have regulated meters with a standard flag rate of $2.40, $4.00 for the first mile, and $0.80 every ¼ mile thereafter.
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