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$4,395,000
105 Days On Site

510 HARBOR GATE WAY
LONGBOAT KEY, FL 34228

For Sale|Single Family Residence|Active
4
Beds
6
Total Baths
5
Full Baths
1
Partial Bath
5,080
SqFt
$865
/SqFt
1996
Built
Subdivision:
BAY ISLES
County:
Sarasota

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510 HARBOR GATE WAY510 HARBOR GATE WAY510 HARBOR GATE WAY510 HARBOR GATE WAY
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An extraordinary Contemporary Architectural estate — now offered with a $500,000 price reduction, presenting one of the most compelling waterfront opportunities on Longboat Key. Defined by its rare three-pod circular design, this sculptural residence is a dramatic composition of flowing living spaces connected by custom corridors — delivering exceptional privacy, abundant natural light, and seamless indoor–outdoor living. The Great Room pod features soaring wood-paneled ceilings and walls of glass framing tranquil water views. The circular primary suite offers a spa-level bath with dual showers, private office, lounge area, and direct pool access. The striking circular kitchen showcases a curved island beneath a two-story ceiling and skylight, with a radial appliance layout that is both artful and highly functional. Two en-suite guest bedrooms open to private patios, while a fully self-contained Secondary Primary Suite above the 32' x 23' three-car garage includes independent HVAC, a luxury bath with Steam Shower and Sauna, a flexible living space ideal for extended guests. Outdoors, enjoy protected deep sailboat water, a private dock with 12,000-lb lift, and a resort-style pool and spa. Situated behind the 24-hour gates of Bay Isles, with exclusive access to the Bay Isles Beach Club on the Gulf of Mexico.

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Listing Snapshot
Price 
$4,395,000
Days On Site 
105 Days
Bedrooms 
4
Inside Area (SqFt) 
5,080 sqft
Total Baths 
6
Full Baths 
5
Partial Baths 
1
Lot Size 
0.44 Acres
Year Built 
1996
MLS® Number 
A4671696
Status 
Active
Property Tax 
$42,200.96
HOA/Condo/Coop Fees 
$208.33 monthly
Sq Ft Source 
Public Records
Friends & Family
Recent Activity
yesterdayListing updated with changes from the MLS®
yesterdayPrice changed to $4,395,000
3 months agoListing first seen on site
General Features
Acres 
0.44
Attached Garage 
Yes
Direction Faces 
North
Foundation 
Slab
Garage 
Yes
Garage Spaces 
3
Green Energy Efficient 
AppliancesLighting
Levels 
Two
Number Of Stories 
2
Parking 
Circular DrivewayDrivewayAttached
Pets 
Yes
Property Sub Type 
Single Family Residence
Security 
Gated CommunitySecurity SystemSmoke Detector(s)
Sewer 
Public Sewer
SqFt Total 
6534
Style 
ContemporaryFlorida
Utilities 
Cable AvailableNatural Gas AvailableCable ConnectedElectricity ConnectedNatural Gas ConnectedWater Connected
Water Source 
Public
Zoning 
PD
Interior Features
Appliances 
Bar FridgeConvection OvenDishwasherDisposalDryerElectric Water HeaterExhaust FanGas Water HeaterIce MakerMicrowaveRangeRefrigeratorTankless Water HeaterWasherWine Refrigerator
Basement 
Crawl Space
Cooling 
Central Air
Flooring 
CarpetMarble
Furnished 
Unfurnished
Heating 
CentralElectricHeat Pump
Interior 
Built-in FeaturesHigh CeilingsOpen FloorplanSaunaVaulted Ceiling(s)Walk-In Closet(s)Wet Bar
Laundry Features 
Electric Dryer HookupInsideLaundry RoomUpper LevelWasher Hookup
Spa 
Yes
Window Features 
Skylight(s)Double Pane Windows
Balcony/Porch/Lanai 
Dimensions - 28x14Level - First
Bathroom 5 
Dimensions - 8x12Level - SecondFeatures - Sauna
Bedroom 2 
Dimensions - 15x12Level - Second
Bedroom 3 
Dimensions - 15x12Level - Second
Bedroom 4 
Dimensions - 32x23Level - Second
Kitchen 
Dimensions - 17x17Level - FirstFeatures - Granite Counters
Living Room 
Dimensions - 30x30Level - First
Master Bedroom 
Dimensions - 23x14Level - First
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Exterior Features
Construction Details 
BlockStucco
Exterior 
LightingRain GuttersDock
Lot Features 
PrivatePavedWaterfront
Patio And Porch 
CoveredRear PorchScreened
Pool Features 
GuniteHeatedIn GroundTilePrivate
Private Pool 
Yes
Roof 
Tile
Spa 
Yes
Spa Features 
In Ground
View 
CanalWaterPoolTrees/Woods
Waterfront 
Yes
Waterfront Features 
Canal Front
Waterview 
CanalWaterPoolTrees/Woods
Windows/Doors 
Skylight(s)Double Pane Windows
Community Features
Association Amenities 
GatedSecurity
Association Dues 
2500
Community Features 
Gated
Financing Terms Available 
CashConventional
HOA Fee Frequency 
Annually
MLS Area 
34228 - Longboat Key
Roads 
Asphalt
Township 
36S
Schools
School District
Unknown
Elementary School
Southside Elementary
Middle School
Booker Middle
High School
Booker High
Listing courtesy of MICHAEL SAUNDERS & COMPANY (941) 320-9795



Listing information is provided by Participants of the Stellar MLS. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. Properties displayed may be listed or sold by various participants in the MLS Copyright 2026, Stellar MLS.
Last checked: 2026-02-24 10:58 PM EST

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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