318 W 46th Street, Sea Island, GA

$10,900,000

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7

Beds

9

Baths

9,771

Square feet

0.85

Acres

About 318 W 46th Street

Dock approved. Located within a gated estate on the private island of Sea Island, secured by 24-hour security, “Villa Measured,” Cottage 509 sits on an exceptionally private .86-acre deep-water homesite—one of the largest and most secluded marsh and riverfront parcels on the island. Long, uninterrupted water views unfold in multiple directions, while the estate’s setting and natural buffers create a level of privacy that is increasingly difficult to replicate. The approved dock further enhances the property's lifestyle, offering direct access to the river while preserving the property's quiet, protected character. Designed with intention and restraint, Villa Measured achieves a rare balance—architecturally significant yet comfortably livable, substantial without excess. Inspired by the Musée Rodin in Paris, this Neoclassical residence was constructed on 35–50-foot pilings with load-bearing masonry walls, Ludowici terracotta roof tiles, precast concrete floor panels, stone balusters, and Medici yellow stucco. An aggregate stone and concrete drive leads to the residence and its three-car garage, reinforcing both arrival and functionality. Inside, a terra-cotta tiled foyer framed by limestone columns creates a direct sightline through the home to the marsh and river beyond. Twelve-foot ceilings, Ron Batton custom millwork, copper detailing, and full lightning protection reflect the depth of craftsmanship throughout. Living spaces flow seamlessly indoors and out. Upper and lower loggias overlook a vanishing-edge pool and spa, offering multiple vantage points to enjoy the surrounding landscape. Formal living and dining rooms open to a great room connected to the kitchen and vaulted breakfast room, creating a layout that supports both everyday living and entertaining. Four fireplaces—three interior and one wood-burning fireplace in the loggia—anchor gathering spaces, while two custom fire sculptures by London artist Cathy Burkman add warmth, light, and subtle movement. The south primary wing provides privacy within the home, featuring a dedicated study, dual dressing rooms, an exercise room, and double doors opening to a limestone terrace overlooking the marsh. The second level includes five bedrooms and two limestone terraces separated by the Marsh Room, along with approximately 1,100 square feet of additional guest accommodations accessible from both the main and second floors. A tennis rebound court and a finished floor elevation of 16½ feet complete the estate. With gated access, 24-hour security, a rare .86-acre deep-water setting, an approved dock, and a residence scaled for elegant daily living, Villa Measured stands among the most private and thoughtfully proportioned estates on Sea Island.

Features of 318 W 46th Street

MLS® # 1658215
Price $10,900,000
Bedrooms 7
Bathrooms 9.00
Full Baths 7
Half Baths 2
Square Footage 9,771
Acres 0.85
Year Built 2000
Type Residential
Sub-Type Single Family Residence
Style European, Other
Status Active

Community Information

Address 318 W 46th Street
Area S6: Sea Island
Subdivision Sea Island Ex1
City Sea Island
County Glynn
State GA
Zip Code 31561

Amenities

Amenities Beach Rights, Fitness Center, Golf Course, Gated, Laundry, Private Membership, Pool, Pets Allowed, Recreation Facilities, Spa/Hot Tub, Tennis Court(s)
Utilities Cable Available, Electricity Available, Natural Gas Available
Features Beach, Gated
Parking Covered, Driveway, Garage, Kitchen Level, Other, Paved, Rear/Side/Off Street, On Street, Storage
# of Garages 3
Garages Garage Door Opener
View Marsh View, Other, Residential, Creek/Stream, Water
Is Waterfront Yes
Waterfront Deep Water, Marsh, Water Access, Beach Access, Other
Has Pool No

Interior

Interior Tile
Interior Features Beamed Ceilings, Breakfast Bar, Butler's Pantry, Breakfast Area, Crown Molding, Gourmet Kitchen, Kitchen Island, Other, Pull Down Attic Stairs, Painted Woodwork, See Remarks
Heating Central, Electric, Heat Pump, Other, Zoned
Cooling Central Air, Electric, Heat Pump, Zoned
Fireplace Yes
# of Fireplaces 4
Fireplaces Gas Log, Gas Starter, Great Room, Library, Living Room, Other, Wood Burning

Exterior

Exterior Features Covered Patio, Deck, Outdoor Shower, Other, Porch, Sprinkler/Irrigation, Landscape Lights, Paved Driveway
Lot Description ,,,
Roof Tile
Construction Block, Concrete, Stucco
Foundation Block, Other, Pillar/Post/Pier

School Information

Elementary Oglethorpe
Middle Glynn Middle
High Glynn Academy

Additional Information

Date Listed November 25th, 2025
Days on Market 138

Listing Details

AgentSusan Imhoff
OfficeDeLoach Sotheby's International Realty

Listing Map

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