Explore North Guam
Diving in North Guam offers an unforgettable underwater adventure, brimming with vibrant marine life and fascinating dive environments. The region is home to several marine preserves, such as the Pati Point Marine Preserve at the island's northern tip, known for its thriving coral reefs and diverse species. Here, divers can encounter colorful fish, sea turtles, and occasionally, reef sharks. The warm, crystal-clear waters provide excellent visibility, enhancing the experience of exploring these underwater worlds.
North Guam's dive environments are as varied as they are captivating. The Pit Bomb Holes Marine Preserve is a standout, offering a unique cavern diving experience in what were once thought to be bomb craters. The area's underwater limestone formations have created remarkable caves and swim-throughs, perfect for adventure-seeking divers. Many sites are accessible via boat, but shore diving is also popular, especially at Gun Beach in Tumon Bay, where easy access from nearby hotels makes it a convenient choice for tourists. Beyond the natural attractions, Guam's rich history is reflected in its underwater landscape, particularly in Apra Harbor. Here, divers can explore the world's only location where a World War I and a World War II shipwreck, the SMS Cormoran and the Tokai Maru, lie side by side, offering a profound historical diving experience. With its blend of natural beauty, diverse marine life, and historical significance, North Guam is a distinguished destination for divers.
Dive Activity
Diving in North Guam
Guam's northern waters offer an intriguing mix of dive experiences that cater to both shore and liveaboard enthusiasts. Blue Hole is a notable dive site, renowned for its vertical cavern that opens to the vast ocean. It provides an exhilarating descent for divers seeking adventure. Another gem is the Tokai Maru wreck, a Japanese freighter sunk during World War II, offering a fascinating dive through history and marine exploration. For those interested in shore dives, Gun Beach stands out with its easy access and vibrant marine life, making it a favorite among locals and visitors alike. Night dives here reveal the enchanting dance of bioluminescent organisms, a truly unique underwater spectacle. The balance between shore and liveaboard diving in North Guam ensures that divers of all preferences can find their ideal underwater adventure, whether they seek thrilling wrecks or vibrant reefs teeming with life.
Top Wildlife Sightings in North Guam
North Guam's marine life is a vibrant spectacle for divers, featuring an array of colorful reef fish such as parrotfish, butterflyfish, and angelfish. These species are abundant year-round, providing a lively backdrop to the region's coral gardens. Divers can also spot Napoleon wrasses and the elusive Moorish idol, especially in the vibrant reefs surrounding the area.
Seasonal highlights in North Guam include sightings of blacktip reef sharks and green sea turtles, more commonly observed from March to August. During these months, divers are likely to encounter these majestic creatures near the reef's edge, where they often feed and rest. Eagle rays, known for their graceful swimming patterns, are also a common sight during the warmer months, delighting those fortunate enough to witness their presence.
Wildlife Sightings are Based on User Generated Content
Shutterstock-Shane Myers Photography
513 Sightings
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34
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41
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39
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39
M
48
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64
J
66
A
30
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72
O
13
N
36
D
31
Shutterstock-Ed Jenkins
Hawksbill Turtle
153 Sightings
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0
F
19
M
13
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12
M
26
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18
J
9
A
11
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14
O
1
N
17
D
13
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 300
Alamy/Reinhard Dirscherl
Octopus
144 Sightings
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2
F
1
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0
A
2
M
14
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32
J
41
A
24
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13
O
4
N
9
D
2
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 200
Alamy-WaterFrame
Moray Eel
109 Sightings
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4
F
9
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1
A
8
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17
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11
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21
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16
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2
O
5
N
6
D
9
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 27
iStock-Global_Pics
Barracuda
33 Sightings
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1
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1
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0
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6
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7
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1
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0
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6
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3
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0
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0
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8
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 600
iStock/ultramarinfoto
Wrasse
26 Sightings
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1
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6
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0
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0
M
8
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0
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0
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0
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2
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4
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0
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5
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 100
iStock-burnsboxco
Parrotfish
149 Sightings
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6
F
21
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1
A
8
M
19
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28
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24
A
11
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4
O
5
N
10
D
12
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 90
Shutterstock-Rich Carey
Angelfish
147 Sightings
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7
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17
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1
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5
M
15
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26
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17
A
20
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16
O
4
N
7
D
12
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 40
iStock-wrangel
Triggerfish
131 Sightings
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7
F
18
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1
A
6
M
13
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24
J
21
A
10
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7
O
4
N
9
D
11
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species: 130
Shutterstock_Krzysztof Odziomek
Butterfly Fish
112 Sightings
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2
F
15
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0
A
5
M
15
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19
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13
A
15
S
12
O
7
N
0
D
9
The best Months to dive in North Guam
North Guam offers favorable diving conditions throughout the year, with water temperatures typically ranging from 27°C–29°C/81°F–84°F. This stability makes it possible to dive year-round. However, divers should be aware of seasonal variations, particularly between December and April when trade winds increase, potentially affecting surface conditions and currents.
Visibility generally remains high, often exceeding 30 meters/98 feet, providing excellent opportunities to explore the vibrant marine life and coral reefs. The months of July to September can bring increased rainfall, which might reduce visibility slightly but usually doesn’t deter diving activities. Overall, North Guam is a reliable diving destination, although planning around the seasonal weather changes can enhance the diving experience.
