535 SANCTUARY DRIVE UNIT A603, LONGBOAT KEY, FL, 34228
Active95 days on marketListed Apr 21, 2026MLS #A4689260
About this home
535 SANCTUARY DRIVE UNIT A603
Welcome to refined coastal living at The Sanctuary—an exclusive gulf-side enclave tucked behind the gates of the Longboat Key Club. This beautifully updated 6th-floor residence offers 2BR plus den, 2.5BA, and over 2,375± sq. ft. of sophisticated interiors paired with sweeping wrap-around terraces that capture panoramic views of the Gulf of Mexico, the Links golf course, and the Sarasota skyline. Thoughtfully renovated with a designer’s eye, the residence showcases rich wood flooring, high-impact glass throughout, and light-filled living spaces that seamlessly connect indoors and out. The gourmet kitchen is both stylish and functional, featuring crisp cabinetry, solid-surface countertops, stainless appliances, and a center island ideal for casual dining or entertaining. The primary suite is a private retreat with terrace access, stunning Gulf views, a spacious walk-in closet, and a spa-inspired bath. Guests are comfortably accommodated in a separate suite, while the den offers flexibility for a home office or additional sleeping space. Residents enjoy a true resort lifestyle with private deeded beach access just steps away, 24-hour gated security, under-building parking, on-site management, heated pool and spa, Har-Tru tennis courts, and a fitness center. Ownership also places you within the coveted Longboat Key Club, with world-class golf, tennis, and beachfront amenities. Perfectly positioned on the south end of Longboat Key, you’re just minutes from the renowned shopping, dining, and social scene of St. Armands Circle, along with the vibrant arts, culture, and waterfront restaurants of downtown Sarasota. For those seeking a luxury Gulf Coast lifestyle defined by elegance, privacy, and activity, this exceptional residence delivers. Schedule your private showing today and experience The Sanctuary at Longboat Key firsthand. Bonus space is currently set up as a den with sleeper sofa and sliding door for privacy but can easily be converted back to a third bedroom with closet”.
Facts & features
The home at a glance
3
Bedrooms
2.5
Bathrooms
2,375
Sqft
0 ac
Lot size
1
Garage
1990
Year built
One
Levels
$1,221
Per sqft
Inside
Outside & construction
Community & fees
Utilities & systems
The numbers
What it really costs
Built from this home's actual numbers — the most recent property-tax bill on record — not generic estimates.
$19,713 /mo · 10% down Conventional, 30-yr fixed at 6%
The assumptions
Above the FHA loan limit for our service areas, so Conventional is the default. VA buyers: switch below — $0 down.
These numbers assume a generic buyer — your credit, down payment and loan program change them. Get the real quote in minutes:
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Run your own numbers
FHA isn’t available at this price — the loan would exceed the $541,287 FHA limit for our service areas.
Estimated payment
$19,713/mo
Includes estimated PMI — it drops off once you reach 20% equity. Taxes reflect the most recent bill on record; insurance is a typical-Florida estimate. Your lender’s numbers will differ. CENTURY 21 Edge partners with Florida’s best lenders.
Value check
Is the price right?
The internet’s favorite home-value number comes from a single automated model that has never seen the street, the finishes, or the view — which is why it routinely misses by tens of thousands of dollars. The edgeAI estimate combines multiple independent data sources with our team’s on-the-ground expertise in this exact market.
vs edgeAI estimate
+64.9%
$/sqft vs Longboat Key actives
$1,221 vs $693
Days on market
95 vs 95 typical
Where $1,221/sqft sits among the 275 Longboat Key actives
The edgeAI estimate is a starting point, not an appraisal or a broker price opinion. It is generated from public records, listing data and market modeling, and is subject to change once a licensed real estate professional personally inspects the property. Condition, floor, view and lot are not fully captured by any model — ask us for a full comparative market analysis.
Where it sits
Inside Longboat Key
Drive times from this address
Estimated driving times, typical traffic. Data © OpenStreetMap contributors.
Get to know Longboat Key. See the full Longboat Key guide →
LONGBOAT KEY 34228 — neighborhood snapshot
Population
7,512
Median age
71.5
Median income
$143,365
Median home value
$959,200
Avg household
1.8
Households w/ children
51%
For the school run
Sarasota County School District
School assignments and ratings via edgeAI — always verify with the district.
The numbers that matter
The Longboat Key market
$820K → $893K
Longboat Key median sold, yr/yr
92.8%
Sale-to-list ratio (12 mo)
114 of 275
Longboat Key actives have cut their price
Median sold price, Longboat Key, trailing 36 months (3-month rolling) · live MLS data.
This home is listed 346% above the LONGBOAT KEY 34228 median. See the full Longboat Key market guide →
Paper trail
This home's history
Reality check
What actually sold near 535 SANCTUARY DRIVE UNIT A603
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Jul ’25$2,175,000
545 SANCTUARY DRIVE UNIT A803
3 bd · 2.5 ba · 2,375 sqft · $916/sqft · 158 DOM
Sold · Jun ’26$1,950,000
545 SANCTUARY DRIVE UNIT B806
3 bd · 2.5 ba · 2,375 sqft · $821/sqft · 304 DOM
Sold · Jul ’26$1,725,000
545 SANCTUARY DRIVE UNIT B506
3 bd · 2.5 ba · 2,375 sqft · $726/sqft · 160 DOM
Closed-sale data from the MLS, last 12 months, selected for similarity in size and location. No two homes are identical — ask us for a full comparative analysis.
Your home team
The pros in your corner
Buying a home is two conversations — the home and the money. Here’s who handles each, side by side, already working together.
Your agent
David Ramirez
Real Estate Agent · CENTURY 21 Edge
Tours, negotiation, and every question about 535 SANCTUARY DRIVE UNIT A603 — start here.
Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 535 SANCTUARY DRIVE UNIT A603 — before you fall in love.
See it in person
Schedule a tour
Pick a day that works — this goes straight to David's phone and CRM.
Straight answers
535 SANCTUARY DRIVE UNIT A603 FAQs
What would the monthly payment be for 535 SANCTUARY DRIVE UNIT A603?+
With 10% down on a 30-year Conventional loan at 6%, the all-in payment lands around $19,713/mo — principal and interest, the actual property-tax bill and typical Florida insurance. The payment calculator on this page lets you switch loan type (FHA, Conventional, VA) and adjust the down payment, rate and term.
What are the property taxes on 535 SANCTUARY DRIVE UNIT A603?+
The most recent tax bill on record (2025) was $33,878. A new owner's bill can differ once the sale price resets the assessed value — we can walk you through what to expect.
Are pets allowed at 535 SANCTUARY DRIVE UNIT A603?+
The listing reports pets: Yes. Communities often layer on breed or weight rules — we'll verify the specifics with the association before you commit.
How does the price compare to other homes in Longboat Key?+
At $2,899,000, this home is listed about 202% above the Longboat Key median of $960,000. The market section on this page shows how the area is trending.
Which schools are assigned to 535 SANCTUARY DRIVE UNIT A603?+
Booker High School (high), Southside Elementary School (elementary), Booker Middle School (middle) — Sarasota County School District. Always verify school assignments with the district before relying on them.
The brief
Four things that matter here
01Positioned at the premium end
$2,899,000 runs 346% above the LONGBOAT KEY 34228 median — but at 2,375 sqft it's also 57% larger than the typical Longboat Key listing.
02Waterfront living
This home sits directly on the water — the single scarcest feature in Florida inventory and the strongest long-term value anchor.
03Strong assigned schools
Booker High School, Southside Elementary School, Booker Middle School — Southside Elementary School rates 5 of 5. Always verify assignments with the district.
04The price has already moved
Listed at $2,999,000, now $2,899,000 — a $100K cut. The full history is in the market section below.
Keep looking
Similar homes nearby
Listing courtesy of MICHAEL SAUNDERS & COMPANY · Steve Walter. MLS #A4689260.
IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by Stellar MLS.
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