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For salePrice cut: $500K (2/23)
$4,395,000
4beds
5,080sqft

510 Harbor Gate Way, Longboat Key, FL 34228

4beds
5,080sqft
Single family residence
Built in 1996
0.44 Acres
3 Attached garage spaces
$865 price/sqft
$670/mo HOA

What's special

Private officeAbundant natural lightResort-style pool and spaDirect pool accessProtected deep sailboat waterCircular primary suiteLounge area

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 ...

143 days
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503
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18
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Source: Stellar MLS,MLS#: A4671696MLS LogoOriginating MLS: Sarasota - Manatee
Travel times

Kitchen

Dining Room

Bedroom

Zillow last checked: 7 hours ago

Listing updated: March 22, 2026 at 01:11pm

Listing Provided by:

John August 941-320-9795,

MICHAEL SAUNDERS & COMPANY 941-388-4447,

Jeff Weller 941-266-8206,

MICHAEL SAUNDERS & COMPANY

Source: Stellar MLS,MLS#: A4671696MLS LogoOriginating MLS: Sarasota - Manatee

Facts & features

Interior

Bedrooms & bathrooms
  • Bedrooms: 4
  • Bathrooms: 6
  • Full bathrooms: 5
  • 1/2 bathrooms: 1
Rooms
  • Room types: Great Room
Primary bedroom
  • Features: En Suite Bathroom, Walk-In Closet(s)
  • Level: First
  • Area: 322 Square Feet
  • Dimensions: 23x14
Bedroom 2
  • Features: En Suite Bathroom, Walk-In Closet(s)
  • Level: Second
  • Area: 180 Square Feet
  • Dimensions: 15x12
Bedroom 3
  • Features: En Suite Bathroom, Walk-In Closet(s)
  • Level: Second
  • Area: 180 Square Feet
  • Dimensions: 15x12
Bedroom 4
  • Features: En Suite Bathroom, Walk-In Closet(s)
  • Level: Second
  • Area: 736 Square Feet
  • Dimensions: 32x23
Bathroom 5
  • Features: Sauna, Steam Shower
  • Level: Second
  • Area: 96 Square Feet
  • Dimensions: 8x12
Balcony porch lanai
  • Level: First
  • Area: 392 Square Feet
  • Dimensions: 28x14
Kitchen
  • Features: Exhaust Fan, Granite Counters
  • Level: First
  • Area: 289 Square Feet
  • Dimensions: 17x17
Living room
  • Level: First
  • Area: 900 Square Feet
  • Dimensions: 30x30
Heating
  • Central, Electric, Heat Pump
Cooling
  • Central Air
Appliances
  • Included: Bar Fridge, Oven, Convection Oven, Dishwasher, Disposal, Dryer, Electric Water Heater, Exhaust Fan, Gas Water Heater, Ice Maker, Microwave, Range, Refrigerator, Tankless Water Heater, Washer, Wine Refrigerator
  • Laundry: Electric Dryer Hookup, Inside, Laundry Room, Upper Level, Washer Hookup
Features
  • Built-in Features, Ceiling Fan(s), High Ceilings, Living Room/Dining Room Combo, Open Floorplan, Primary Bedroom Main Floor, Sauna, Solid Surface Counters, Solid Wood Cabinets, Split Bedroom, Vaulted Ceiling(s), Walk-In Closet(s), Wet Bar
  • Flooring: Carpet, Marble
  • Doors: Sliding Doors
  • Windows: Double Pane Windows, Skylight(s), Window Treatments, Hurricane Shutters
  • Basement: Crawl Space
  • Has fireplace: No
Interior area
  • Total structure area: 6,534
  • Total interior livable area: 5,080 sqft
Video & virtual tour

Property

Parking
  • Total spaces: 3
  • Parking features: Circular Driveway, Driveway
  • Attached garage spaces: 3
  • Has uncovered spaces: Yes
  • Details: Garage Dimensions: 32x23
Features
  • Levels: Two
  • Stories: 2
  • Patio & porch: Covered, Rear Porch, Screened
  • Exterior features: Irrigation System, Lighting, Private Mailbox, Rain Gutters
  • Has private pool: Yes
  • Pool features: Gunite, Heated, In Ground, Outside Bath Access, Tile
  • Has spa: Yes
  • Spa features: In Ground
  • Has view: Yes
  • View description: Pool, Trees/Woods, Water, Canal
  • Has water view: Yes
  • Water view: Water,Canal
  • Waterfront features: Canal Front, Brackish Canal Access, Freshwater Canal Access, Saltwater Canal Access, Freshwater Canal Access w/Lift to Saltwater Canal, Sailboat Water, Seawall
  • Frontage length: Canal: 83
Lot
  • Size: 0.44 Acres
  • Dimensions: 139 x 188 x 83 x 172
  • Features: Flood Insurance Required, FloodZone, City Lot, Private, Above Flood Plain
  • Residential vegetation: Trees/Landscaped
Details
  • Parcel number: 0008150008
  • Zoning: PD
  • Special conditions: None

Construction

Type & style
  • Home type: SingleFamily
  • Architectural style: Contemporary,Florida
  • Property subtype: Single Family Residence
Materials
  • Block, Stucco
  • Foundation: Crawlspace, Slab
  • Roof: Tile
Condition
  • New construction: No
  • Year built: 1996

Utilities & green energy

  • Sewer: Public Sewer
  • Water: Public
  • Utilities for property: Cable Connected, Electricity Connected, Natural Gas Connected, Public, Water Connected
Green energy
  • Energy efficient items: Appliances, Lighting

Community & HOA

Community
  • Features: Deed Restrictions, Gated Community - Guard
  • Security: Gated Community, Security System, Smoke Detector(s)
  • Subdivision: BAY ISLES
HOA
  • Has HOA: Yes
  • Amenities included: Gated, Security
  • Services included: 24-Hour Guard, Reserve Fund, Private Road
  • HOA fee: $670 monthly
  • HOA name: Ken Kanderfer
  • HOA phone: 941-921-3221
  • Second HOA name: Bay Isles
  • Second HOA phone: 941-383-3200
  • Pet fee: $0 monthly
Location
  • Region: Longboat Key

Financial & listing details

  • Price per square foot: $865/sqft
  • Tax assessed value: $3,300,600
  • Annual tax amount: $42,200
  • Date on market: 11/11/2025
  • Cumulative days on market: 143 days
  • Listing terms: Cash,Conventional
  • Ownership: Fee Simple
  • Total actual rent: 0
  • Electric utility on property: Yes
  • Road surface type: Paved, Asphalt

Price history

DateEventPrice
2/23/2026Price change$4,395,000-10.2%$865/sqft
Source: Stellar MLS #A4671696 Report a problem
12/2/2025Price change$4,895,000-4%$964/sqft
Source: Stellar MLS #A4671696 Report a problem
11/11/2025Listed for sale$5,100,000+170.1%$1,004/sqft
Source: Stellar MLS #A4671696 Report a problem
3/24/2021Listing removed--
Source: Owner Report a problem
4/12/2010Sold$1,888,000-14.2%$372/sqft
Source: Public Record Report a problem
11/8/2009Listing removed$2,200,000$433/sqft
Source: Owner Report a problem
9/21/2009Listed for sale$2,200,000-2.2%$433/sqft
Source: Owner Report a problem
6/11/2007Sold$2,250,000-6.3%$443/sqft
Source: Public Record Report a problem
4/11/2002Sold$2,400,000+531.6%$472/sqft
Source: Public Record Report a problem
6/2/1993Sold$380,000$75/sqft
Source: Public Record Report a problem

Public tax history

YearProperty taxesTax assessment
2025$41,489 -1.7%$3,120,846 +10%
2024$42,201 +7.9%$2,837,133 +10%
2023$39,123 +9.7%$2,579,212 +10%
2022$35,671 +18.5%$2,344,738 +10%
2021$30,101 +8.7%$2,131,580 +10%
2020$27,701 -2.6%$1,937,800 -3.5%
2019$28,437 $2,007,900 -9.3%
2018$28,437 -9.5%$2,214,400 -3%
2017$31,434 -4.9%$2,283,400 -5.4%
2016$33,052 $2,412,500 +4.6%
2015$33,052 +12.8%$2,306,200 +33.1%
2014$29,291 +12.7%$1,732,200
2013$25,984 +24.5%$1,732,200 +21.7%
2012$20,876 +1.1%$1,423,100 -0.4%
2011$20,652 -10.5%$1,429,500 -8%
2010$23,080 -11%$1,554,300 -11.8%
2009$25,941 $1,762,500 -7.6%
2008$25,941 -8.3%$1,908,100 -9.2%
2007$28,275 $2,102,205 +2.5%
2006-- $2,050,932 +3%
2005-- $1,991,196 +3%
2004$30,085 +3.4%$1,933,200 +10.2%
2003$29,086 +86.6%$1,753,600 +88.9%
2002$15,589 +5.6%$928,168 +1.6%
2001$14,764 +1.3%$913,551 +3%
2000$14,579 $886,943

Find assessor info on the county website

Monthly payment

Est. payment
$27,164/mo
Principal & interest
$21843
Property taxes
$4651
HOA Fees
$670
More affordability tools

    Estimated market value

    $3,915,800

    $3.72M - $4.15M

    $21,803/mo

    Climate risks

    Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.

    Neighborhood: 34228

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Southside Elementary
    • Middle: Booker Middle
    • High: Booker High

    Source: Stellar MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.