▾Notable features
The Residence
A brand-new, elevator-served waterfront residence behind the lock at Windmill Harbour — 4,199 square feet of new construction framing sweeping marsh-to-Intracoastal Waterway views, minutes from a constant-depth deepwater slip. Five bedrooms and five full baths, each bedroom with its own ensuite, on a lock-controlled harbour where the water level never leaves you waiting on the tide. Raised construction lifts the living above the marsh and leaves generous covered parking and storage beneath. Inside, the open-concept living area centers on a gas fireplace, with high-end appointments and timeless finishes throughout. Front and rear porches, a private pool, and a dock extend the house toward the water. For a boat-first owner who wants to move in rather than renovate, this is Hilton Head Island waterfront living with nothing left to wait for.
The Highlights
Rising new construction set against the marsh and water views of Windmill Harbour, this five-bedroom residence gives 4,199 square feet room to breathe beneath soaring ceilings. Deck, porch, and patio extend the living space outward toward the tidal light, in a gated deepwater community where the South Carolina Yacht Club and Intracoastal access define the rhythm of the day.
The value
At this level, value rests less on square-foot comparison than on what can't be reproduced — new construction completed in 2027 and marsh view views in Windmill Harbour. Offerings of this kind are genuinely limited, which is what sustains their position in the market.
Floor Plans
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Gallery
Exterior & Grounds
The Living Spaces
Bedrooms & Baths
The Residence
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The Setting
Windmill Harbour is a gated deepwater marina community on the northwestern shore of Hilton Head Island, distinguished by a tidal lock system that maintains consistent water levels within its protected harbour. The community is home to the South Carolina Yacht Club and offers direct access to the Intracoastal Waterway, making it a natural gathering point for serious boaters along the Lowcountry coast.
Distance & access
Community amenities

Realtor
Christopher "Chris" Hughes is an experienced, licensed real estate professional with Coast Professionals Brokered by eXp Realty on Hilton Head Island, South Carolina. Having lived on Hilton Head Island since his youth, he possesses deep, localized expertise in the Lowcountry property market.
COAST · brokered by eXp Realty · eXp Luxury
COAST is an eXp Luxury member team, and qualifying luxury listings are marketed through eXp's international luxury program — not only to the local market. That reach spans eXp's global network of 80,000+ agents in around 30 countries, layered on top of COAST's own Hilton Head marketing engine (dedicated listing pages, cinematic media, and AI-era search visibility).

Questions
Windmill Harbour. A hydraulic lock neutralises the tide inside the basin, holding a constant eight-foot depth no matter what the water is doing outside — one of only three private locked harbours on the East Coast, by the marina's own account.
Yes — the harbour offers dockage for vessels up to 70 feet LOA, and the lock chamber measures 75 by 19 feet. Because the lock holds a constant eight-foot depth, a deep-draft vessel is not waiting on the tide to come or go.
Yes — 18 Indian Hill Lane is a 4,199-square-foot, five-bath new-construction residence with a 2027 build year, offered at $2,995,000. Completion is targeted for Spring 2027; your agent can confirm the current construction schedule.
No — Windmill Harbour is among the island communities whose covenants prohibit short-term rental, enforcing longer minimum lease terms. It is a primary-residence and long-stay community rather than a vacation-rental one, which is much of why the harbour stays quiet.
Dues are set by property class — consolidated lots and the two developed classes are billed differently, so there is no single Windmill Harbour figure. A 2026 special assessment has been enacted and a one-time transfer fee applies at sale; FirstService has managed the community since January 2026 and your agent can pull the exact current schedule for this address.
Slips in the harbour marina are handled separately from the residence, so a slip is not automatically conveyed with a home. This property includes its own dock; for harbour dockage, your agent can confirm current availability and the assignment process for a vessel of your length before you write an offer.
Both are private locked harbour communities on the island — the two share that distinction. Windmill Harbour sits on the Intracoastal Waterway at mile marker 558 with a constant eight-foot depth, 24-hour keycard lock access and dockage to 70 feet LOA, and it is home to the South Carolina Yacht Club.
Yes — short-term rental is prohibited here, so the harbour reads as a residential community year-round rather than a turnover market. The South Carolina Yacht Club inside the harbour adds tennis, pool, sauna, bar and restaurant, and the Cross Island Parkway is minutes away.
It means the sightline crosses open tidal marsh and carries to the Intracoastal Waterway beyond — water and marsh in the same frame, not a harbour-basin view. 18 Indian Hill Lane is positioned to capture that sweep, with marsh and water views and soaring ceilings framing them.
Confirm the finish schedule and specifications in writing, the finished-floor elevation and raised-construction detail, the completion timeline, and the POA class your property falls into along with any enacted assessment. On the marsh, also confirm the sightline from the actual elevation rather than from grade.
The specifications, elevations and finish schedule are documented and reviewable now, and the raised construction fixes the sightline height before framing. Walking the site at the finished-floor elevation is the reliable way to verify the marsh-to-Waterway view, and your agent can arrange that.
Yes — at 4,199 heated square feet of brand-new construction with a private elevator, pool, dock and marsh-to-Waterway views, it sits in line with the island's $1M-plus segment, where trailing-twelve luxury medians have risen and inventory has tightened. New build at this scale behind a locked harbour rarely comes available.
Annual cost is POA dues at your property's class, the enacted 2026 special assessment, insurance and Beaufort County taxes — plus a one-time transfer fee at closing. Because dues are class-based and FirstService took over management in January 2026, your agent should pull the current figures for this address rather than a cached number.
Not on a short-term basis — Windmill Harbour covenants prohibit rentals under the community's minimum lease term, so nightly and weekly income is not part of the ownership case here. Longer-term leasing is governed by those same covenants, which your agent can review with you.
The residence includes a dock, and the community's lock-regulated marina holds a constant eight-foot depth with direct Intracoastal Waterway access for vessels up to 70 feet LOA. Harbour slip assignment is separate from the home; your agent can confirm what is currently available for your vessel.
It is 4,199 heated square feet with five bedrooms and five full baths, each bedroom served by its own ensuite, under soaring ceilings. A private elevator, pool, front and rear porches, deck and patio, and a two-car garage complete it, with raised construction providing covered parking and storage beneath.
Get in touch
Whether you're buying, selling, or simply exploring the market, COAST brokered by eXp Realty is here to help — with the local knowledge and discretion luxury deserves.
Private inquiry
Request a private showing or more on 18 Indian Hill Lane. Christopher Hughes will respond personally — in-person and live-video showings both available.