365 Split Rock Road, Syosset, NY 11791

• 10 beds |
• 11 baths |
• 12,800 sqft

Property Description

Welcome to 365 Split Rock Road... Set within one of the North Shore of Long Island’s most desirable enclaves, this gated estate in Syosset offers an exceptional balance of privacy, scale, and modern design. Recently constructed and thoughtfully sited on five private acres, the residence encompasses over 12,000 square feet of well-proportioned living space, creating a quiet retreat defined by quality and permanence. The main residence is designed to accommodate both comfortable daily living and effortless entertaining. It features six bedrooms and six and a half bathrooms, including a spacious primary suite with private quarters. The home is anchored by a chef’s kitchen equipped with Wolf and Thermador appliances, generous entertaining areas, a wood-burning fireplace, and a covered outdoor living room that seamlessly extends the interior living space. Fully finished basement to further enhance flexibility and convenience. The grounds are both functional and refined, offering a pool area with a separate cottage or guest house, tennis and basketball courts, a private pond, dog run, and a five-car garage. Mature landscaping is supported by substantial irrigation and drainage systems, ensuring the property remains well maintained throughout the seasons. Additional features include a whole-house gas generator, comprehensive security and surveillance systems, and robust infrastructure throughout the estate. Located within the highly acclaimed Syosset Central School District—renowned for its academic excellence and consistently ranked among the top districts on Long Island—the property offers both an exceptional lifestyle and long-term value. Moments from fine dining, shopping, golf courses, country clubs, and the natural beauty of the North Shore coastline, this residence delivers a level of living rarely found in one of Long Island’s most established and prestigious locations.

Listing Status:

Active

Data Last Updated:

February 7, 2026 at 9:21PM

Listing Office:

Astoria Realty Brokerage Svcs : 718-274-3000

MLS ID:

956163

Interior

• General: First Floor BedroomFirst Floor Full BathBuilt-in FeaturesCathedral Ceiling(s)Central VacuumChandelierCrown MoldingDouble VanityEat-in KitchenEntrance FoyerFormal DiningHigh CeilingsHigh Speed InternetKitchen IslandOpen FloorplanOpen KitchenPantryQuartz/Quartzite CountersRecessed LightingSmart ThermostatSound SystemStorageWalk-In Closet(s)Washer/Dryer HookupWet BarWhole House Entertainment System
• Appliances: Convection OvenCooktopDishwasherDisposalElectric OvenExhaust FanGas RangeMicrowaveOvenRefrigeratorStainless Steel Appliance(s)Wine Refrigerator
• Laundry: Multiple Locations
• Basement: Finished
• Flooring: Hardwood
• A/C: Central AirENERGY STAR Qualified EquipmentZoned
• Heating: ENERGY STAR Qualified EquipmentForced AirHeat PumpPropane
• Fireplace: Family RoomGasFireplaceFireplaces: 1

Exterior

• General: BalconyBasketball CourtDog RunGardenGas GrillLightingPlaygroundRain GuttersSpeakersTennis Court(s)
• Style: Colonial
• Other Structures: Guest HouseKennel/Dog RunOutdoor KitchenPergolaPool HouseCovered
• Pool: Electric HeatFencedIn GroundOutdoor PoolPool CoverPool/Spa ComboSalt Water
• Parking: AttachedParking spaces: 5

Construction

• Windows: New Windows

Location

• Originating MLS: onekey2
• School District: Syosset
• County: Nassau County

Lot

• Zoning: 2489-25-058-00-0098-0
• Fencing: FencedPerimeter

Utilities

• Utilities: Cable ConnectedElectricity ConnectedNatural Gas ConnectedPhone ConnectedPropaneUnderground UtilitiesWater Connected
• Water: Public
• Sewer: Public Sewer

Financial

• Source: onekey2