Back of home at Night from Canal - 510 HARBOR GATE WAY, LONGBOAT KEY
Frtom Water in the day - 510 HARBOR GATE WAY, LONGBOAT KEY
Front at Night from Street - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 4 of 92
Aerial view revealing the residence’s signature three-pod architecture and the private secondary primary suite above the garage - 510 HARBOR GATE WAY, LONGBOAT KEY
Aerial update - 510 HARBOR GATE WAY, LONGBOAT KEY
23 x 33 extra large garage - 510 HARBOR GATE WAY, LONGBOAT KEY
Front door entrance from a private, gated Harbor Section street - 510 HARBOR GATE WAY, LONGBOAT KEY
Vaulted great room for dining and entertaining with floor-to-ceiling windows, travertine floors, and a wood-paneled ceiling - 510 HARBOR GATE WAY, LONGBOAT KEY
Immense Great room offering serene, open-water views of the canal. - 510 HARBOR GATE WAY, LONGBOAT KEY
Soaring vaulted great room with a bar, dining, and lounge areas, seamlessly oriented to showcase the dramatic circular kitchen - 510 HARBOR GATE WAY, LONGBOAT KEY
Open great room with adjoining dining area leading to a distinctive circular kitchen design. - 510 HARBOR GATE WAY, LONGBOAT KEY
Two Story Circular Kitchen with upper skylight - 510 HARBOR GATE WAY, LONGBOAT KEY
Kitchen with unique SubZero refigerator and freezer - 510 HARBOR GATE WAY, LONGBOAT KEY
Viking professional natural gas range with a bespoke stainless steel vent hood - 510 HARBOR GATE WAY, LONGBOAT KEY
Professional-grade range, custom cabinetry, and kitchen layout leading to a walk-in pantry and laundry room - 510 HARBOR GATE WAY, LONGBOAT KEY
Two Story circular kitchen with stainless steel upper cabinetry - 510 HARBOR GATE WAY, LONGBOAT KEY
Utility Room - 510 HARBOR GATE WAY, LONGBOAT KEY
Half bathroom positioned just off the open-concept great room and circular kitchen - 510 HARBOR GATE WAY, LONGBOAT KEY
Dramatic entry to the primary suite creates an immediate sense of elegance and style - 510 HARBOR GATE WAY, LONGBOAT KEY
Unique circular primary bedroom with striking built-ins, offering both style and function - 510 HARBOR GATE WAY, LONGBOAT KEY
1st Floor Primary suite with picturesque views of the screened lanai, sparkling saltwater pool, and relaxing spa - 510 HARBOR GATE WAY, LONGBOAT KEY
1st Floor Primary suite seamlessly opens to an adjoining lounging area, creating a private retreat - 510 HARBOR GATE WAY, LONGBOAT KEY
Primary bedroom lounge with extensive built-ins and sliding glass doors opening directly to the screened lanai, pool, and spa - 510 HARBOR GATE WAY, LONGBOAT KEY
Spacious lounging area with direct entry to the primary bedroom - 510 HARBOR GATE WAY, LONGBOAT KEY
Spacious primary suite closet with custom built-in shelving for organization and style - 510 HARBOR GATE WAY, LONGBOAT KEY
His-and-Her sinks, paired with a glass-enclosed luxury shower featuring dual shower heads - 510 HARBOR GATE WAY, LONGBOAT KEY
Glass-enclosed “outdoor” shower that offers breathtaking views of the outdoors featuring dual his-and-her shower heads, allowing both style and functionality - 510 HARBOR GATE WAY, LONGBOAT KEY
Soaking tub completes the primary bathroom, providing the perfect spot to unwind and relax - 510 HARBOR GATE WAY, LONGBOAT KEY
His-and-Her sinks, paired with a glass-enclosed luxury shower featuring dual shower heads - 510 HARBOR GATE WAY, LONGBOAT KEY
Private office completes this circular primary suite, offering a quiet and elegant space for work or study - 510 HARBOR GATE WAY, LONGBOAT KEY
Primary Office virtually Stage to original exercise room - 510 HARBOR GATE WAY, LONGBOAT KEY
Leaded-glass front door, travertine floors, and staircase to the garage and secondary primary suite - 510 HARBOR GATE WAY, LONGBOAT KEY
2nd Floor Great Room - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 35 of 92
2nd Floor Great Room - 510 HARBOR GATE WAY, LONGBOAT KEY
2nd Floor Great Room - 510 HARBOR GATE WAY, LONGBOAT KEY
2nd Floor Great Room - 510 HARBOR GATE WAY, LONGBOAT KEY
2nd Floor Great Room - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 40 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 41 of 92
Sauna - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 43 of 92
2nd Floor viewe to 1st floor kitchen - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 45 of 92
Circular stairs to up stairs 2 bedrooms - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 47 of 92
Upstairs Bedroom Balcony - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 49 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 50 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 51 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 52 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 53 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 54 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 55 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 56 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 57 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 58 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 59 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 60 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 61 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 62 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 63 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 64 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 65 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 66 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 67 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 68 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 69 of 92
Sweeping aerial view of the canal with a southern exposure - 510 HARBOR GATE WAY, LONGBOAT KEY
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 71 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 72 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 73 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 74 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 75 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 76 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 77 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 78 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 79 of 92
Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 80 of 92
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Single Family Residence at 510 HARBOR GATE WAY, LONGBOAT KEY, photo 92 of 92
92 photos

$3,950,000

510 HARBOR GATE WAY
LONGBOAT KEY, FL 34228
Listed by MICHAEL SAUNDERS & COMPANY
Bedrooms
4
Bathrooms
5.5
Living area
5,080 sqft
Year built
1996

About this home

A Waterfront Work of Art. Experience a one-of-a-kind waterfront residence on Longboat Key — now offered at an exceptional new value. Designed around three interconnected circular "pods," the residence flows like a choreographed dance. There are no awkward hallways, no wasted corners, no spaces that feel like afterthoughts. Curved walls carry throughout every room — even into the garage — creating a cohesive design statement that's genuinely rare in residential construction at any price point. This architectural masterpiece is a sculptural composition of flowing living spaces connected by custom corridors, delivering remarkable privacy, abundant natural light, and seamless indoor–outdoor living. The dramatic Great Room pod showcases soaring wood-paneled ceilings and expansive walls of glass that frame tranquil water views. The circular primary suite is a private retreat featuring a spa-inspired bath with dual showers, a lounge area, private office, and direct access to the pool and spa terrace. At the heart of the home, the striking circular kitchen is both artful and functional, centered around a curved island beneath a two-story ceiling and skylight, with a thoughtfully designed radial appliance layout. Two en-suite guest bedrooms open to private patios, while the fully self-contained Secondary Primary Suite above the impressive 32' x 23' three-car garage offers independent HVAC, a luxury bath with steam shower and sauna, and flexible living space ideal for extended guests or multigenerational living. Outdoors, the property embraces the waterfront lifestyle with protected deep sailboat water, a private dock with a 12,000-pound lift, and a resort-style pool and spa designed for entertaining and relaxation. Located behind the 24-hour guarded gates of Bay Isles, residents also enjoy exclusive access to the Bay Isles Beach Club on the Gulf of Mexico.

Highlights

WaterfrontPrivate pool

Property details

MLS
Stellar MLS
MLS #
MFRA4671696
Property type
Single Family Residence
Subdivision
BAY ISLES
Status
Active
Days on market
327
On market date
November 11, 2025
Stories
N/A
Total bathrooms
5.5
Garage spaces
3
Parking spaces
N/A
Lot size
0.44 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
BAY HAVEN SCHOOL OF BASICS PLUS
3.66 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
587
Student:teacher ratio
14.7:1
District
SARASOTA
MiddleCharter
SARASOTA SCHOOL OF ARTS/SCIENCES
4.27 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
2.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
752
Student:teacher ratio
18.8:1
District
SARASOTA
High
BOOKER HIGH SCHOOL
4.41 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
2.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,296
Student:teacher ratio
18.3:1
District
SARASOTA

Walkability

Blended score for LONGBOAT KEY's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

49
Somewhat walkable
out of 100
EPA National Walkability Index
9.5 / 20 -- Below average walkable
Google Places amenity density
50 / 100
Restaurants & cafes6
Grocery stores1
Parks3
Schools1
Transit stops0
Pharmacies2

Market position

How this listing compares to current activity in LONGBOAT KEY, from live MLS data.

On the market 327 days -- 65 more days than LONGBOAT KEY's current average of 262 days.
For reference, the median list price across 528 active listings in LONGBOAT KEY right now is $624,950.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$23,937/mo
$790,000 down
$3,160,000 loan
Principal & interest$20,496
Property tax (est.)$3,292
Home insurance (est.)$150

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Data source: Listing information provided by Stellar MLS (mfrmls) via Trestle/CoreLogic. Last updated 21 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.