| Geography | |
|---|---|
| Location | Luzon Strait |
| Coordinates | 20°19′59″N121°47′7″E / 20.33306°N 121.78528°E |
| Archipelago | Batanes Group of Islands |
| Adjacent to | Balintang Channel |
| Administration | |
| Region | Cagayan Valley |
| Province | Batanes |
| Additional information | |
| |
Dequey is part of the Batanes Islands, the northernmost archipelagic province of the Philippines. The island is a small low-lying feature located about 1/2 mile west of the northwest point of Ivuhos Island. [1] Dequey Island is uninhabited. [2]
An unnamed active submarine volcano rising to within 24 metres (79 ft) of the sea surface is located 3 kilometres (1.9 mi) due west of Dequey Island.