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$3,450,000
971 Days On Site

27999 COULBOURN CREEK ROAD
MARION STATION, MD 21838

For Sale|Single Family Residence|Active
10
Beds
13
Total Baths
9
Full Baths
4
Partial Baths
9,610
SqFt
$359
/SqFt
1970
Built
County:
SOMERSET
Listing courtesy of Keller Williams Select Realtors of Easton
Call Now: (703) 898-3565
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(703) 898-3565
27999 COULBOURN CREEK ROAD27999 COULBOURN CREEK ROAD27999 COULBOURN CREEK ROAD27999 COULBOURN CREEK ROAD
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Monthly Payment (Est.)

$15,740
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Offered to the public market 9/11/26 An Extraordinary Waterfront Estate on Maryland’s Eastern Shore Kingsbay Mansion is an unparalleled waterfront estate offering timeless Georgian architecture, gracious living spaces, and exceptional possibilities for residential, hospitality, and event use. Privately situated along Coulbourn Creek near the Chesapeake Bay, this magnificent gated property provides a rare combination of luxury, privacy, and natural beauty. An Expansive Private Estate Recognized as the largest private residence in Somerset County, Kingsbay Mansion encompasses approximately 13,000 square feet and is offered with two adjoining parcels totaling approximately 28.554 acres. The main residence is situated on approximately 6.28 acres, while the adjoining 22.274-acre parcel is currently used for agricultural purposes and zoned MRC. Together, the properties offer exceptional opportunities for expanded wedding and event facilities, corporate retreats, agricultural use, or simply an extraordinary degree of privacy surrounding a primary or secondary residence. The sale includes both parcels. Timeless Architectural Elegance Designed by Ian McCallum, an architect associated with Colonial Williamsburg, Kingsbay Mansion is a distinguished example of Georgian architecture. Constructed in 1970 and crowned by an enduring slate roof, the residence features: 10 bedrooms 9 full bathrooms 4 half bathrooms Approximately 13,000 square feet of living space Seven varieties of hardwood and marble flooring Five distinctive types of wood incorporated throughout its construction At the heart of the mansion is a breathtaking three-story rotunda illuminated by a domed skylight and an exquisite Belgian crystal chandelier. The impressive ballroom features vaulted ceilings and can accommodate approximately 150 seated guests for elegant dinners, concerts, weddings, presentations, and corporate functions. Additional formal spaces include a gracious living room with a double-width fireplace and beautifully detailed beamed and crown-molded ceiling. The Chinese Chippendale-inspired formal dining room is equally remarkable, featuring mirrored china cupboards and its own fireplace. Gracious and Versatile Living Spaces Kingsbay Mansion offers an exceptional collection of gathering and entertaining areas, including: Formal living and dining rooms Family dining roof Breakfast room Lounge bar Rear foyer bar Richly appointed, wood-paneled library Attached Carriage House w/ 3 offices and conference room Large guest house Horse stables Each space contributes to the estate’s distinctive character while providing remarkable flexibility for private living, sophisticated entertaining, hospitality, and special events. A Spectacular Waterfront Setting Approximately 2,000 feet of protected shoreline surrounds the property, creating a peaceful waterfront sanctuary with sweeping views. A private dock provides convenient access for boating, kayaking, fishing, and enjoying the beauty of the Eastern Shore throughout the year. The manicured Japanese gardens offer a tranquil setting for quiet reflection, outdoor entertaining, ceremonies, and photography. Resort-Style Outdoor Amenities An elegant in-ground Grecian swimming pool is surrounded by a slate terrace and enhanced by a decorative fountain. Traditionally enjoyed from April through November, the pool area creates an inviting resort-like atmosphere overlooking the waterfront and private dock.Ask your REALTOR for additional information

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Listing Snapshot
Price 
$3,450,000
Days On Site 
971 Days
Bedrooms 
10
Inside Area (SqFt) 
9,610 sqft
Total Baths 
13
Full Baths 
9
Partial Baths 
4
Lot Size 
29 Acres
Year Built 
1970
MLS® Number 
MDSO2004128
Status 
Active
Property Tax 
$11,200
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
Assessor
Friends & Family
Recent Activity
2 hours agoListing updated with changes from the MLS®
6 months agoStatus changed to Active
3 years agoListing first seen on site
General Features
Acres 
29
Foundation 
PermanentOtherBlockConcrete Perimeter
Levels 
Three Or More
Number Of Stories 
1
Parking 
GravelOff StreetCircular DrivewayDrivewayOther
Parking Spaces 
65
Pets 
Yes
Property Sub Type 
Single Family Residence
Security 
Security Lights
Sewer 
OtherSeptic Tank
Special Circumstances 
Standard
SqFt Above 
9610
SqFt Total 
9610
Style 
Georgian
Utilities 
Underground UtilitiesCable Available
Water Source 
Well
Zoning 
MRC
Interior Features
Appliances 
OvenElectric RangeElectric OvenCooktopWater PurifierElectric Water HeaterDishwasherDisposalDryerExhaust FanFreezerHumidifierIce MakerMicrowaveInstant Hot WaterRange HoodRefrigeratorWasher
Basement 
Exterior EntryWalk-Out AccessSump PumpDaylightFullPartially FinishedUnfinished
Cooling 
Central AirElectric
Electric 
220 Volts
Fireplace 
Yes
Fireplace Features 
Masonry
Fireplaces 
2
Flooring 
CarpetWoodBambooCeramic TileOther
Heating 
Exhaust FanElectricGeothermalHeat Pump
Interior 
ElevatorOtherBuilt-in FeaturesBarCrown MoldingPantry
Laundry Features 
Washer HookupMain Level
Window Features 
Insulated Windows
Breakfast Room 
Level - Main
Office 
Level - Main
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Exterior Features
Construction Details 
BrickVinyl Siding
Exterior 
Balcony
Fencing 
ElectricOther
Frontage 
Waterfront
Lot Features 
WetlandsWoodedClearedPrivateSecludedWaterfront
Other Structures 
Barn(s)GazeboGuest HouseStable(s)
Patio And Porch 
Terrace
Pool Features 
GuniteIn GroundFilteredPrivate
Private Pool 
Yes
Roof 
Slate
View 
WaterBayRiverTrees/WoodsGardenScenic
Waterfront 
Yes
Waterfront Features 
Creek
Waterview 
WaterBayRiverTrees/WoodsGardenScenic
Windows/Doors 
Insulated Windows
Community Features
Accessibility Features 
Therapeutic Whirlpool
Association Amenities 
Boat Slip
Community Features 
Sidewalks
MLS Area 
Somerset East of Rt-13 (20-02)
School District 
SOMERSET COUNTY PUBLIC SCHOOLS
Roads 
PavedGravel
Horse Allowed 
Yes
Schools
School District
SOMERSET COUNTY PUBLIC SCHOOLS
Elementary School
CALL SCHOOL BOARD
Middle School
CALL SCHOOL BOARD
High School
CALL SCHOOL BOARD
Listing courtesy of Keller Williams Select Realtors of Easton



The real estate listing information is provided by Bright MLS is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing. Any information relating to real estate for sale or lease referenced on this web site comes from the Internet Data Exchange (IDX) program of the Bright MLS. This web site references real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. The accuracy of all information is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. Properties in listings may have been sold or may no longer be available. The data contained herein is copyrighted by Bright MLS and is protected by all applicable copyright laws. Any unauthorized collection or dissemination of this information is in violation of copyright laws and is strictly prohibited. Copyright © 2020 Bright MLS. All rights reserved.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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