National Park Guide

Dry Tortugas Field Guide

A complete planning guide to Dry Tortugas National Park. Covers Fort Jefferson — the largest masonry structure in the Western Hemisphere and its Civil War prison history — getting there by ferry or seaplane, snorkeling the moat wall and surrounding coral reefs, the park's globally significant sooty tern and brown noddy nesting colonies, sea turtle nesting beaches, Loggerhead Key and its historic lighthouse, the Tortugas Ecological Reserve, primitive camping on Garden Key, the official NPS park map, and what to know before a trip with no cell service, food, or fresh water on site.

What's inside

• ✓Fort Jefferson — the largest masonry structure in the Western Hemisphere, built from 16 million bricks
• ✓How to choose between the Yankee Freedom ferry and a seaplane for the only ways in
• ✓Snorkeling directly off the Garden Key beach into living coral reef
• ✓Home to the only sooty tern nesting colony in the continental United States