What the Live Listing Data Shows
Every brokerage operating here runs its own scrape of the Charleston Trident MLS, refreshed on its own schedule, scoped to its own geography, sometimes the whole island, sometimes just zip 29487. The result is that “current” numbers disagree even when pulled in the same season.
| Source | Scope | Listings | Avg. price | High | As-of |
|---|---|---|---|---|---|
| James Schiller Group | Wadmalaw Island | 34 | $1,377,350 | $7,995,000 | early July 2026 |
| Great Homes of Charleston | zip 29487 | 30 | $1,808,433 | $10,600,000 | mid-2025 pull, still live on the page as of this writing |
| Great Homes of Charleston | Wadmalaw Island | 25 | $1,771,938 | $10,600,000 | late January 2026 |
| Marshall Walker Real Estate | Wadmalaw Island subdivision search, live Charleston Trident MLS feed | live grid, not a static count | not aggregated on page | — | June 11, 2026, 1:03 p.m. |
None of these four pulls agrees with any other on listing count or average price, and two came from the same brokerage’s own site scoped two different ways. The figure that matters for a specific offer is the one a Charleston Trident MLS-affiliated agent pulls the day you’re ready to write it, not the figure sitting on any page today.
Is Wadmalaw Island a good fit for investment or rental property? It suits long-hold land and estate-lot investment better than short-term rental turnover. The island has no hotel or short-term-rental commercial base to compete against, but the rural infrastructure that gives it privacy also limits the pool of renters comfortable with a well and a septic system, and several gated communities restrict rentals through their HOA covenants.
Owning Property Here: Wells, Septic, Flood Zones, and Connectivity
Most Wadmalaw parcels are not connected to Charleston Water System or any municipal sewer main. A private well and an individual septic system are the default, and South Carolina law requires a state permit before either goes into the ground.
| System | Typical setup on Wadmalaw | What to check before buying |
|---|---|---|
| Water | Private well; no municipal water main on most of the island | Ask for the well’s flow-rate and water-quality test results, not just its existence |
| Wastewater | Individual septic system, permitted under South Carolina Regulation 61-56 | Confirm the existing SCDES Permit to Construct is on file and current; permits run five years before renewal is required |
| Flood risk | Mixed zones: interior/upland parcels are more likely to fall in Zone X (low/moderate risk); marsh-adjacent and waterfront parcels are more likely to fall in AE or VE (Special Flood Hazard Area) | Look up the specific parcel on FEMA’s Map Service Center before writing an offer, not after |
| Connectivity | Cell and broadband coverage vary by carrier and by distance from Maybank Highway; no county-published coverage map for the island exists at the time of writing | Test cell signal on-site and request a serviceability check from any prospective ISP for the exact address |
A permit on file is not proof that a decades-old system still meets current standards. When Charleston County’s flood maps were last substantially revised, one Wadmalaw Island owner found her property newly included in the high-risk floodplain and told the Post and Courier she wasn’t surprised, since she’d already noticed the land flooding more than it used to. That is the kind of case a pre-2020 elevation certificate can miss entirely.
Does Wadmalaw Island have municipal water and sewer? No, not across most of the island. A handful of newer developments have shared community wells or package systems, but the default for most parcels, including large-acreage and older properties, is an individual well and septic system regulated by the South Carolina Department of Environmental Services.
Land, Lots, and Gated Communities
Land splits into two patterns on this island: HOA-governed estate communities and unrestricted county-zoned acreage, and the difference changes what you’re allowed to do with a property as much as what you pay for it.
| Area | Typical lot size | Governance | Typical use |
|---|---|---|---|
| Longcreek Plantation | 7 to 20 acres (49 residences total) | Gated, HOA-governed; annual dues on record $2,000 | Waterfront estate, equestrian-permitted |
| Polly Point Plantation | Large acreage within a roughly 600-acre gated tract | Gated, HOA-governed | Estate and equestrian trails |
| Anchor Watch | Around 3 acres per lot, roughly 72 homes total | Gated, HOA-governed, community boat landing | Waterfront residential |
| Off-plat interior and roadside parcels | 2 to 20-plus acres, highly variable | No HOA; Charleston County zoning only | Custom build, farming, or vacant land holding |
A documented sale shows why price-per-square-foot means little here. The house at 1901 Longcreek Road, 4,734 square feet on 15.44 acres inside Longcreek Plantation, sold on June 19, 2026 for $1,500,000, per the listing’s transaction record. Divided by acreage instead of square footage, that comes out to roughly $97,000 per acre for a gated, deep-water, horse-permitted lot, a figure that tells a land buyer far more than a per-square-foot number would, since the structure itself occupies a small fraction of the parcel.
For equestrian and agricultural buyers
Horses are explicitly permitted in Longcreek Plantation, originally established as an equestrian community, and unrestricted county parcels carry no covenant against farm use at all. The tradeoff: unrestricted land also comes with no shared infrastructure, no HOA-maintained roads, and no community dock.
Can I keep horses or farm animals on a Wadmalaw property? In most cases, yes. Several gated communities on the island, including Longcreek and Polly Point, explicitly permit horses, and unrestricted acreage outside any HOA has no covenant barring livestock, though Charleston County zoning and setback rules still apply.
Getting To and From the Island
The only road connection between Wadmalaw Island and the mainland is a bridge carrying Maybank Highway over Church Creek. There is no second land route on or off the island. For daily commuting, storm evacuation, and emergency response, that single point of access deserves the same weight in a purchase decision as flood zone or septic age.
What happens if the Church Creek Bridge is closed? Wadmalaw Island has no alternate land route; a closure for maintenance, an accident, or storm damage cuts off vehicle access until the bridge reopens, which is part of why emergency-response times run longer here than in mainland Charleston suburbs.
Schools and Family Considerations
Edith L. Frierson Elementary, at 6133 Maybank Highway, is the only school physically located on Wadmalaw Island, per the Charleston County School District. After elementary, zoned students move off-island to Haut Gap Middle School and then St. Johns High School, both on neighboring Johns Island, according to SchoolDigger’s district data, a detail that affects daily commute time for school-age families more than it affects adults with no children in the household.
Where do Wadmalaw Island Elementary students go after elementary school? Students zoned to Edith L. Frierson Elementary feed into Haut Gap Middle School and then St. Johns High School, both located on Johns Island rather than on Wadmalaw itself.
Who Wadmalaw Suits and Who It Doesn’t
- A multi-acre estate or farm buyer who wants land and privacy with no interest in a subdivision HOA amenity calendar.
- A waterfront retreat buyer comfortable maintaining a well, a septic system, and a longer drive to groceries and hospitals.
- An investor targeting land value and long-hold appreciation over short-term rental turnover, given the HOA rental restrictions in several gated communities.
- Buyers who need walkable amenities, guaranteed high-speed connectivity, or the fastest possible emergency response are likely to find the single-bridge, well-and-septic reality a worse fit than a mainland Charleston suburb.
Current Listings
Live inventory changes within days. A direct Charleston Trident MLS-fed search filtered to zip 29487, run when you’re ready to look, is more reliable than any static count republished from an earlier date.
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