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Bay St. Louis Mississippi Map

Explore Bay St. Louis, Mississippi, with this interactive street and satellite map.

This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.

Interactive Map of Bay St. Louis, Mississippi

How to Use This Bay St. Louis, Mississippi Map

This interactive map shows the street layout and satellite imagery for Bay St. Louis, Mississippi. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of Mississippi or beyond.

Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).

TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Bay St. Louis.

Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.

Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.

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

🌦 Goto Bay St. Louis Weather Page: Bay St. Louis, Mississippi — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Bay St. Louis, Mississippi

Bay St. Louis is a locality in Hancock County, Mississippi, United States. It has a population of approximately 9,284. The population density is 244.0 people per km². Bay St. Louis is located at 30.3234°N, 89.3588°W. It observes the Central Time (America/Chicago) timezone. Bay St. Louis is an incorporated locality. ZIP code: 39520.

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.

Nearby Outdoor Places

Hancock Medical Park (Local Park) — 0.6 mi, 160° S
Jourdan River Coastal Reserve (State Conservation Area) — 0.7 mi, 000° N
Jourdan River Coastal Preserve (Marine Protected Area) — 0.7 mi, 360° N
Commagere Park (Local Park) — 1.4 mi, 127° SE
Bayou La Croix Coastal Preserve (Marine Protected Area) — 2.9 mi, 297° NW
Bayou Lacroix Coastal Reserve (State Conservation Area) — 2.9 mi, 297° NW
Buccaneer State Park (State Park) — 4.2 mi, 216° SW
Hawk at War Memorial Park (Monument) — 7.1 mi, 093° E
Pass Christian Hurricane Camille Memorial (Monument) — 7.1 mi, 094° E
Pass Christian Hurricane Katrina Memorial (Monument) — 7.1 mi, 093° E
Lance Lumpkin Stadium (Stadium) — 12.8 mi, 079° E
Gulf Islands National Seashore (National Lakeshore) — 13.8 mi, 118° SE · 213k acres
World’s “Largest Rocker” (Attraction) — 16.0 mi, 056° NE
Ship Island Excursions (Attraction) — 16.3 mi, 080° E
De Soto National Forest (National Forest) — 16.8 mi, 074° E · 532k acres
TrainTastic (Museum) — 18.2 mi, 076° E
Big Branch Marsh National Wildlife Refuge (National Wildlife Refuge) — 21.0 mi, 251° W · 56k acres
Bogue Chitto National Wildlife Refuge (National Wildlife Refuge) — 21.9 mi, 293° NW · 73k acres
Acadiana Cinema (Cinema) — 23.2 mi, 311° NW
Mural at Katiecakes (Public Artwork) — 23.8 mi, 306° NW
Crackin Shells Dippin Tails (Attraction) — 24.0 mi, 306° NW
Mcdonald Funeral Home (Museum) — 24.0 mi, 306° NW
Amphitheater (Theatre) — 24.3 mi, 306° NW
Auditorium (Theatre) — 24.3 mi, 306° NW
Ship Island Light (Historic Ruins) — 24.7 mi, 108° E
Carver Museum (Museum) — 24.7 mi, 306° NW
Slidell Museum (Museum) — 25.5 mi, 263° W
Camp Salmen Lodge (Historic Ruins) — 27.9 mi, 265° W
Saenger Theater for the Performing Arts (Arts Centre) — 28.4 mi, 080° E

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