| 释义 |
{{distinguish|Sentry Island}} Sentinel Island may refer to: - Sentinel Island (Tasmania), Australia
- Sentinel Island (Alaska), location of the Sentinel Island Light lighthouse
- Sentinel Island (Washington), one of the San Juan Islands, U.S.
- North Sentinel Island, part of the Andaman Islands, India, and home to the isolated Sentinelese
- South Sentinel Island, part of the Andaman Islands, India
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