318 W 46th Street Sea Island, GA $ 10,900,000
318 W 46th Street
$ 10,900,000
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318 W 46th Street

Sea Island, GA, 31561
$ 10,900,000
Bedrooms7 Baths7.2 Sq 9,771

Monthly Estimate*

$ 67,113

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Single Family Home for sale in Sea Island, GA

for $10,900,000 with 7 bedrooms and 7 full baths, 2 half baths. This 9,771 square foot home was built in 2000 on a lot size of 0.85.

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 Musee 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 161/2 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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Single Family Active

Price

$ 10,900,000

Bedrooms

7

Full Bath

7

Half Bath

2

Property Type

Single Family

Taxes

$ 22,516

Style

Mediterranean

Lot Size

0.85

Year Built

2000

Town/City

Sea Island

County/Region

Glynn

MLS | Web ID

10686089

Features
General
Sewer Septic Tank
Heating Central Electric Heat Pump Other Zoned
Cooling Ceiling Fan(s) Central Air Electric Heat Pump Zoned
Utilities Cable Available Electricity Available Natural Gas Available
Roof Tile
Appliances Cooktop Dishwasher Disposal Double Oven Dryer Gas Water Heater Ice Maker Microwave Refrigerator Washer
HOA Fee 150
Association Fee Includes Other
Patio/Porch Features Deck Patio Porch
Architectural Style Mediterranean
Pool Features Heated Pool/Spa Combo In Ground
Security Features Gated Community
Construction Materials Block Concrete Stucco
Year Built 2000
View River
Levels Two
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Creek Deep Water Access
Community Features Clubhouse Fitness Center Gated Golf Guest Lodging Marina Pool Sidewalks
Accessibility Accessible Elevator Installed
County Glynn
New Construction false
Property Type Residential
HOA true
Attached Garage false
Subdivision Name Sea Island Ex1
Garage Y/N true
Other Structures Guest House
Full Baths 7
Status Active
Directions After 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.
High School Glynn Academy
City Sea Island
Lot Size Units Square Feet
Lot Size Square Feet 37026
Carport Y/N false
Spa Features Bath
Elementary School Oglethorpe Point
Land Lease Y/N false
Tax Annual Amount 22516.8
Home Warranty Y/N false
Middle/Junior High School Glynn
Property Condition Resale
Virtual Tour https://youtu.be/vz0Yki9womk https://www.propertypanorama.com/instaview/golden_isles/1658215#tour
Structure Type Other
Building Area Units Square Feet
Living Area Units Square Feet
Standard Status Active
Occupancy Type Vacant
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Interior
Interior Amenities Beamed Ceilings Bookcases Double Vanity High Ceilings Master On Main Level Separate Shower Soaking Tub Split Bedroom Plan Split Foyer Entrance Foyer Walk-In Closet(s) Wet Bar Wine Cellar
Basement None
Flooring Tile
Total Fireplaces 4
Fireplace Features Family Room Gas Log Gas Starter Living Room Other Outside
Air Conditioning Y/N true
Heating Y/N true
Window Features Window Treatments
Fireplace Y/N true
Above Grade Finished Area 9771
Half Baths 2
Laundry Features Mud Room
Total Bedrooms 7
Below Grade Finished Area 0
Main Level Bedrooms 1
Main Level Bathrooms 1
Below Grade Finished Area Unit Type Square Feet
Above Grade Finished Area Unit Type Square Feet
Kitchen Features Breakfast Area Breakfast Bar Breakfast Room Kitchen Island Pantry
Total Baths 9
Dining Room Features Separate Room
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Exterior
Exterior Amenities Balcony Other Sprinkler System Veranda
Fencing Back Yard Fenced
Parking Features Garage Storage Kitchen Level Garage Door Opener Side/Rear Entrance
Lot Features City Lot Other
Water Source Private
Total Parking 10
Lot Size Area 37026
Spa true
Building Area Total 9771
Lot Size Acres 0.85
Frontage Type Marsh River Waterfront
Lot Size Source Public Records
Waterfront Y/N true
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* Excluded Features
List By
Deloach Sotheby's Intl. Realty

Broker

susanimhoff2@gmail.com

Email

Affordability Calculator

$68,990
Per Month
97%
3%
0%
Monthly Principal & Interest
$67,113
Monthly Property Taxes
$1,876
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4515193 Elementary School
4421092 Middle School
Glynn Academy High School High School
Pricing History
DatePricePrice ChangeDescription
2/6/2026$10,900,000 -8.40% Price Down
2/5/2026$11,900,000 Listed Price

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318 W 46th Street, Sea Island, GA, 31561 is a Single Family Home for sale at $10,900,000 with 9,771 sqft and a lot size of 0.85. 318 W 46th Street has 7 bedrooms, 7.2 baths, and was built in 2000. The property's zip code is 31561 which is in Sea Island, GA