Guam·United States
Photo: Jon Rasmussen · Wikimedia Commons (Public domain)
In Apra Harbor on Guam, the German raider SMS Cormoran from the First World War and the Japanese freighter Tokai Maru from the Second lie touching each other on the seabed, a combination found nowhere else. Outside the harbour, the Blue Hole drops through the reef to open on a wall at about 40 m.
In season: Year-round · Peak: Jan–May
Warm water all year, deep wreck dives needing advanced training, and sheltered training reefs inside the harbour. Typhoon season from July to November can disrupt diving.
Sheltered training reef inside the harbour
Two wrecks from two world wars touching each other on the bottom
A vertical shaft through the reef opening onto a wall at 130 feet
Dive with a local operator in Hagåtña or Piti, which can arrange access to the harbour sites. Start at Gab Gab reef, and dive the twin wrecks and the Blue Hole with advanced or technical certification.
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