Field file 18 · Military · Delaware

Fort Delaware

Delaware City, Delaware Delaware River Island fortress and prison camp

DocumentedSeasonalTicketed3 to 5 hoursChecked July 2026Incarceration history
Tour meeting point The pin marks where an authorized tour begins.Coordinates 39.5890, -75.5690Region Delaware RiverState Delaware

Record

Why it matters

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.

Evidence line

This file is marked Documented because the place and its history are supported by the linked authoritative source. Practical details were last checked in July 2026. Conditions change. Check the primary source before leaving home.

Access

How to approach it lawfully

Access warning

Island access is schedule-dependent. Check weather and ferry status.

Access status
Seasonal. Open part of the year. Check the current season before traveling. Recorded as: Seasonal state park ferry.
Reservation
No reservation requirement recorded. Confirm with the official source.
Seasonality
Seasonal or schedule-dependent. Check the current season and hours before traveling.

Practical details last checked July 2026. Conditions change. Check the primary source before leaving home.

Plan the stop

What to plan for

Time
3 to 5 hours
Cost
Ticketed (Ticketed)
Terrain
Not recorded in this file. Check the official source.
Mobility
Not recorded in this file. Check the official source.
Parking
Not recorded in this file. Check the official source.
Weather
Island access depends on the ferry schedule and weather.

Directions to the public entrance Opens Google Maps with these coordinates. The provider sees them under its own privacy policy. Confirm the entrance against the official source first.

Record

Sources

Sources are summarized in the Atlas's own words and checked on the dates shown. See the methodology, or send a correction.

Road file

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Book the tour, not the trouble.

No partner link on this file. Use the official source for tickets and tours. How partner links work.