Devils Postpile National MonumentvsGulf Islands National Seashore

Gulf Islands National Seashore has a higher Total Area (138,307 vs 800 acres), while Gulf Islands National Seashore has a higher Annual Visitors (2025) (7,576,923 vs 99,652 visitors), while Gulf Islands National Seashore has a higher Longitude (-87 vs -119 °).

Location & Classification

National Monument

Designation

National Seashore

CA

State(s)

FL

38

Latitude

30

-119

Longitude

-87

Size & Visitation

800

Total Area

138,307

99,652

Annual Visitors (2025)

7,576,923

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More comparisons with Gulf Islands National Seashore

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Data sourced from NPS Boundary & Tract Data Service (US Government (public domain)), NPS Visitor Use Statistics (2025) (CC0 (public domain)), NPS Acreage Report (Q1 2026) (US Government (public domain)).