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![El Moro Castle guarding the entrance to San Juan Harbor line3630.jpg El Moro Castle guarding the entrance to San Juan Harbor](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_line3630.jpg?itok=azY4ZwJM)
Description
El Moro Castle guarding the entrance to San Juan Harbor. (Image credit: NOAA/NOS/Office of Coast Survey)
Credit
NOAA/NOS/Office of Coast Survey
Location
Puerto Rico, San Juan
Collection
America's Coastlines
Keywords
Coastline