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318 W 46th Street, Sea Island, GA 31561


7 Beds

7 Full baths

9771 SqFt

Active

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.

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Property Details
Price$10,900,000
Sale TypeStandard
Bedrooms7
Full Baths7
Half Baths2
Property StyleEuropean,Other
Lot Size,,,
Lot Size Area0.85
Lot Size Area UnitsAcres
Acres0.85
Land TenureFee Simple
Property TypeResidential
Sub typeSingleFamilyResidence
MLS Sub typeSingle Family Residence
FeaturesBeamed Ceilings,Breakfast Bar,Butler's Pantry,Breakfast Area,Crown Molding,Gourmet Kitchen,Kitchen Island,Other,Pull Down Attic Stairs,Painted Woodwork,See Remarks
Exterior FeaturesCovered Patio,Deck,Outdoor Shower,Other,Porch,Sprinkler/Irrigation,Landscape Lights,Paved Driveway
Year Built2000
Fireplaces4
SubdivisionSea Island Ex1
ViewMarsh View,Other,Residential,Creek/Stream,Water
RoofTile
HeatingCentral,Electric,Heat Pump,Other,Zoned
FoundationBlock,Other,Pillar/Post/Pier
Lot DescriptionCity Lot,Other,Subdivision,Sprinkler System,Landscaped
Laundry FeaturesLaundry Room,Laundry Tub,Sink
Pool featuresHeated,Pool,Association
Parking DescriptionCovered,Driveway,Garage,Garage Door Opener,Kitchen Level,Other,Paved,Rear/Side/Off Street,On Street,Storage
Parking Spaces10
Garage spaces3
Association AmenitiesBeach Rights,Fitness Center,Golf Course,Gated,Laundry,Private Membership,Pool,Pets Allowed,Recreation Facilities,Spa/Hot Tub,Tennis Court(s)
Geographic Data
DirectionsAfter the Sea Island Gate, continue to the rotary at 36th Street. Take the Rotary to Oglethorpe to Forty Sixth Street. Turn left. Cottage 509 is ahead on the marsh on the right-hand Side.
CountyGlynn
Market AreaS6: Sea Island
Address Information
Address318 W 46th Street, Sea Island, GA 31561
Postal Code31561
CitySea Island
StateGA
CountryUnited States
Listing Information
Listing OfficeDeLoach Sotheby's International Realty
Listing Office Phone912-638-0406
Listing Office Emailbetsy.bostick@sothebysrealty.com
Listing AgentSusan Imhoff
Listing Agent Phone912-638-0406
TermsCash,Conventional,1031 Exchange
Virtual Tour Urlhttps://www.propertypanorama.com/instaview/golden_isles/1658215
School Information
Elementary SchoolOglethorpe
Middle SchoolGlynn Middle
High SchoolGlynn Academy
MLS Information
Days on market137
MLS StatusActive
Listing DateNov 25, 2025
Listing Last ModifiedApr 11, 2026
Tax ID05-00051
Tax Year2023
Tax Annual Amount29805
MLS AreaS6: Sea Island
MLS #1658215

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