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Harbor Island South Carolina Map

Explore Harbor Island, South Carolina, 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 Harbor Island, South Carolina

How to Use This Harbor Island, South Carolina Map

This interactive map shows the street layout and satellite imagery for Harbor Island, South Carolina. 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 South Carolina 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 Harbor Island.

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	Harbor Island
State	South Carolina (SC)
County	Beaufort County
Country	United States of America
Timezone	Eastern Time (America/New_York)

Latitude	32.408292
Longitude	-80.43821
Population	209
Density	78.6 /km²
Incorporated	N/A
ZIP Code	29920
Area Code	843
County Seat	Beaufort
School District	Beaufort County School District

🌦 Goto Harbor Island Weather Page: Harbor Island, South Carolina — Weather Warnings, Forecast, Radar, Satellite & Current Conditions

About Harbor Island, South Carolina

Harbor Island is a locality in Beaufort County, South Carolina, United States. It is a small community with a population of 209. The population density is 78.6 people per km². Harbor Island is located at 32.4083°N, 80.4382°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 29920.

Harbor Island emerges from the coastal expanse as a low-slung reach of sand and salt-grass, defined by the relentless pulse of the Atlantic Ocean just a mile to the east. It lies 13.0 miles east-southeast of Beaufort, SC (from Beaufort, SC: bearing 103°T), and is situated 14.0 miles east of Port Royal. The landscape of Harbor Island is a fragile margin where the terrestrial world surrenders to the sea, carved by the brackish currents of the Harbor River that wind through the surrounding mudflats. The air here remains heavy with the scent of brine and pluff mud, a thick humidity that seems to slow the passage of time itself. Far to the west, the faint, hazy silhouette of Fiddlers Ridge provides the only verticality to an otherwise flat horizon, while the distant, calm waters of Spring Well Pond remain a world away from the shifting tides of this salt-drenched geography.

Existence on Harbor Island is defined by its position within the protected boundaries of the Ashepoo-Combahee-Edisto (ACE) Basin National Estuarine Research Reserve, a designation that preserves the integrity of these tidal corridors against the encroachment of modern industry. The local economy and daily rhythm are tethered to the ebb and flow of the water, reflecting a heritage deeply rooted in the Gullah-Geechee traditions that have long shaped the cultural contours of the South Carolina coast. While the bustling commerce of distant cities feels remote, the island maintains a quiet endurance, its shores serving as a sanctuary for migratory birds and the remnants of a maritime history that predates formal settlement. The land does not demand attention, yet its quiet persistence and the subtle, shifting colors of the marsh grass at dusk offer a profound sense of permanence amidst the constant motion of the nearby Atlantic Ocean.

Nearby Outdoor Places

Ashepoo-Combahee-Edisto (ACE) Basin National Estuarine Research Reserve (Marine Protected Area) — locality lies within
Hunting Island State Park (State Park) — 1.2 mi, 166° S
Morgan Island (State Conservation Area) — 4.5 mi, 325° NW
Saint Helena Sound Heritage Preserve / Wildlife Management Area (State Conservation Area) — 4.5 mi, 018° N
St. Helena Sound Heritage Preserve (Marine Protected Area) — 6.2 mi, 352° N
Two swings with marsh view (Viewpoint) — 6.6 mi, 205° SW
Golf Cart and Bicycle Rentals (Attraction) — 6.7 mi, 206° SW
Saint Helena Park / Wesley Felix (Local Park) — 7.0 mi, 260° W
Fishing from Bonito Bridge (Attraction) — 7.0 mi, 203° SW
Red Piano Too Art Gallery (Gallery) — 8.1 mi, 264° W
Gullah 'n' Geechie Mahn Tours (Attraction) — 8.2 mi, 259° W
Fontaine Fishing Charters (Attraction) — 8.3 mi, 046° NE
Edisto Beach State Park (State Park) — 8.8 mi, 048° NE
Edisto Island Park (Local Park) — 12.6 mi, 013° N
Ernest F. Hollings Ace Basin National Wildlife Refuge (National Wildlife Refuge) — 13.6 mi, 005° N · 36k acres
Thibault Gallery (Gallery) — 13.7 mi, 277° W
Elliott House Museum (Museum) — 13.8 mi, 277° W
United States Marine Corp War Memorial (Monument) — 14.8 mi, 254° W
Bache Monument (Monument) — 16.0 mi, 051° NE
Pinckney Island National Wildlife Refuge (National Wildlife Refuge) — 20.7 mi, 242° SW · 7,086 acres
Neptune's Statue (Public Artwork) — 23.1 mi, 227° SW
Heron Park Nature Center (Zoo / Wildlife Park) — 23.7 mi, 056° NE
Hilton Head Island (Monument) — 25.8 mi, 227° SW
Coligny Theatre (Cinema) — 25.9 mi, 225° SW
Park Place Cinemas (Cinema) — 26.1 mi, 227° SW
Art League of Hilton Head Academy (Arts Centre) — 26.2 mi, 226° SW
VIVID Gallery (Gallery) — 28.6 mi, 228° SW
Kitchen Chimney (Historic Ruins) — 29.2 mi, 229° SW
Fort Pulaski National Monument (National Monument) — 36.6 mi, 225° SW · 11k acres
Francis Marion National Forest (National Forest) — 50.8 mi, 042° NE · 264k acres

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