Explore Bay St. Louis, Mississippi, with this interactive street and satellite map.
| City | Bay St. Louis |
| State | Mississippi (MS) |
| County | Hancock County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 30.323448 |
| Longitude | -89.35879 |
| Population | 9,284 |
| Density | 244.0 /km² |
| Incorporated | Yes |
| ZIP Code | 39520 |
| Area Code | 228 |
| County Seat | Bay St. Louis |
| School District | Bay St. Louis-Waveland School District |
Bay St. Louis anchors itself firmly against the salt-heavy air where the land yields to the expansive Gulf of Mexico. It lies 11.0 miles west-southwest of Long Beach, MS (from Long Beach, MS: bearing 255°T), and is situated 6.3 miles south-southeast of Diamondhead. The low-lying terrain finds shelter within the protected boundaries of City Park, where the horizon remains wide and undisturbed. To the west, the winding path of Mallini Bayou cuts through the damp earth, carving a dark, reflective ribbon toward the coast. Farther inland, the terrain rises slightly toward the distant silhouette of Jackson Ridge, while the quiet waters of Jackson Marsh hold the stillness of the afternoon. A few miles offshore, the silhouette of Cameron Island breaks the surface of the water, marking a boundary where the tide dictates the slow movement of the day.
Bay St. Louis carries the weight of a long maritime heritage, built upon the shifting sands and the bounty of the nearby waters. Early commerce relied heavily on the harbor, where the movement of timber and seafood fueled a modest but resilient local economy. Today, the rhythm of industry remains tied to the Gulf of Mexico, with small-scale fishing and tourism providing the lifeblood for those who work the docks. The storefronts along the main thoroughfare reflect a persistent dedication to trade, echoing the resilience of a people who have long navigated the cycles of the coast. Even as the modern world encroaches, the work here retains a direct connection to the natural resources that first drew settlers to these shores.
Bay St. Louis fosters a distinct cultural temperament, defined by a deliberate pace and an appreciation for the subtle light that lingers over the water at dusk. The local character manifests in the quiet conversation of porches and the colorful architecture that stands in defiance of the humid climate. Notable figures such as the renowned actor Jayne Mansfield once found a temporary retreat in this environment, drawn by the same tranquility that remains today. Residents celebrate their heritage through community gatherings that often spill into the open spaces of City Park, where the air smells of brine and pine. Landmarks of historical significance dot the landscape, offering a mute witness to the generations who have claimed this stretch of coastline as their own.
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This page provides an embedded street and satellite map of Bay St. Louis, Mississippi. Coordinates: 30.323448, -89.35879. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Bay St. Louis includes the ZIP code (39520), telephone area code (228), county seat of Hancock County (Bay St. Louis), and school district assignment (Bay St. Louis-Waveland School District).
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |