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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

535 SANCTUARY DRIVE A401

LONGBOAT KEY, FL, 34228

Active

$3,265,000

535 SANCTUARY DRIVE A401

LONGBOAT KEY, FL, 34228

Active

$3,265,000

3

Bedrooms

4

Bathrooms

3,115 sqft

Living Area

1990

Year Built

$3,265,000Tour the dockSchedule a Showing

1

Days on Market

Dock & Water AccessMLS

Gulf/Ocean FrontWaterfrontBeach

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

Description

Welcome to the largest floor plan at Sanctuary, offering over 3,100 square feet of refined coastal elegance with breathtaking Gulf-to-Bay views. This exceptional residence captures both sunrises over the bay and sunsets over the Gulf, delivering a rare, full-spectrum waterfront experience. Designed for elevated living and effortless entertaining, the expansive open-concept floor plan seamlessly blends indoor and outdoor spaces. Walls of glass frame panoramic water views, filling the home with natural light and creating a stunning backdrop from nearly every room. The residence features: Three luxurious ensuite bedrooms, Three full bathrooms plus a beautifully appointed powder room, A grand living and dining area ideal for entertaining, A spacious chef’s kitchen perfectly positioned to enjoy the views, Two private balconies plus an impressive wrap-around balcony, providing multiple vantage points for morning coffee and evening sunsets. Every detail reflects sophisticated coastal design — generous proportions, seamless flow, and expansive outdoor living spaces that elevate the everyday into something extraordinary. This is more than a residence — it is a front-row seat to the Gulf, the Bay, and the beauty of sunrise to sunset living. Additional community features include a separate fully equipped recreation building with state of the art fitness, two lighted Har-Tru tennis courts, saunas, on-site management, and 24 hour guarded entry. All located behind the gates of the Longboat Key Club. Schedule your private preview!

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: 3/13/2026

© 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.

FEMA Flood Zone AE
BFE: 8ft

Special Flood Hazard Area

View FEMA Flood Map →
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Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$653,000 down

%
Principal & Interest$16,941/mo
Property Tax (est. ~1.2%, varies by county)$3,265/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$20,456
Loan Amount: $2,612,000Rate: 6.75%
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