DE / Military39.59° N
75.57° W
75.57° W
Verified July 2026
Fort Delaware
Delaware City, DE · Delaware River
A masonry fortress on Pea Patch Island that held Confederate prisoners during the Civil War.
Field note
The island is reached through the state park's seasonal ferry operation. Plan around the published crossing schedule.
Access warning
Island access is schedule-dependent. Check weather and ferry status.
Evidence line
This listing is marked documented. Practical details were last checked in July 2026. Conditions change, so use the primary source before leaving home.
Check the source: Delaware State Parks ↗