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© 2026 DockOnly™. All rights reserved.

DockOnly™ and Dock Score™ are trademarks of Blue Mar Real Estate Group Inc.

Blue Mar Real Estate Group Inc. — Licensed Florida Real Estate Broker

Blue Mar Real Estate Group Inc.

Licensed Florida Real Estate Broker · DBPR License CQ1018554

4000 Ponce De Leon Blvd, Suite 470, Coral Gables, FL 33146

[email protected]

Listing data is provided by participating Multiple Listing Services and is deemed reliable but not guaranteed. Each listing's MLS source and its required disclosures appear with that listing. Dock Score™ is a DockOnly.com rating and is not provided by or affiliated with any MLS or listing broker. NOAA chart data is public domain and for reference only — not for navigation. Full MLS Compliance

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+20

1571 HARBOR CAY LANE

LONGBOAT KEY, FL, 34228

Active

$4,550,000

1571 HARBOR CAY LANE

LONGBOAT KEY, FL, 34228

Active

$4,550,000

4

Bedrooms

4

Bathrooms

4,209 sqft

Living Area

1987

Year Built

$4,550,000Tour the dockSchedule a Showing
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map — verify navigability with a local captain or surveyor before relying on it.

25,711

Lot Size (sqft)

150

Days on Market

Dock Score™

DockOnly
69
Good

What shaped this score

✓Ocean Front
✓Dock present
✓Bridge-free to bay & ocean
✓Fits boats up to ~30ft (est.)

DockOnly.com rating — not provided by the MLS or listing broker.

Dock & Water AccessMLS

Bay/Harbor FrontCanal FrontGulf/Ocean FrontWaterfrontCanal - Saltwater📝 deep water

AI Aerial Imagery Detection

Dock DetectedSeawall Detected

Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.

Navigation RouteDockOnly

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

Experience the ultimate in luxury coastal living in this 4,209-square-foot stunning waterfront home, perfectly situated in the highly sought-after, gated Bay Isles Harbor Section—an exclusive boating community with only 67 custom residences on south Longboat Key. Designed for elegance and comfort, this timeless 4-bedroom, 3.5-bath estate welcomes you with a dramatic open main living area featuring soaring 23-foot ceilings filled with natural light, rich oak flooring, custom lighting and a gas/wood-burning fireplace. Expansive walls provide the perfect showcase for fine artwork, while the spacious living and dining areas flow seamlessly into a warm family room and a chef’s dream kitchen. The gourmet kitchen is equipped with custom mahogany cabinetry, premium stainless-steel appliances including an induction cooktop, a large island topped with quartzite countertops, and a bright breakfast area overlooking the pool and waterway. Sliding glass doors lead to your private outdoor oasis—a massive 28-foot saltwater pool with solar heating and a partially covered patio with heat-resistant coral stone tile. The luxurious master suite offers two walk-in closets, a sitting area or office, and a spa-inspired bathroom with translucent onyx walls and flooring, a soaking tub, and an oversized shower. Additional features include a large laundry and craft room, an oversized two-car garage with workbench, hurricane-impact windows and doors, reinforced garage doors, and a brand-new concrete tile roof. A beautifully landscaped circular drive welcomes guests, while the deep-water bayou behind the home provides direct access to Sarasota Bay—ideal for boating enthusiasts. Residents of Bay Isles enjoy 24-hour gated security, membership to the Bay Isles Beach Club, and close proximity to the Longboat Key Club, St. Armands Circle, world-class dining, shopping, and the brand-new five -star St. Regis Longboat Key Resort. This exceptional property offers the best of luxury, privacy, and the coveted waterfront lifestyle on Florida’s Gulf Coast.

Schedule a Showing

See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.

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Location

LONGBOAT KEY, FL, 34228

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc. — Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of MICHAEL SAUNDERS & COMPANY via Stellar MLS

Last updated: 6/21/2026

© 2026 Stellar MLS. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of Stellar MLS. Information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Dock Score™

DockOnly
69
Good

What shaped this score

✓Ocean Front
✓Dock present
✓Bridge-free to bay & ocean
✓Fits boats up to ~30ft (est.)

DockOnly.com rating — not provided by the MLS or listing broker.

FEMA Flood Zone X
BFE: -9999ft

Minimal Flood Hazard

View FEMA Flood Map →
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Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$910,000 down

%
Principal & Interest$23,609/mo
Property Tax (est. ~1.2%, varies by county)$4,550/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$28,409
Loan Amount: $3,640,000Rate: 6.75%
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Estimated payments only. Actual rates and terms may vary.

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