
1591 GULF OF MEXICO DRIVE UNIT 618, LONGBOAT KEY, FL, 34228
Active11 days on marketListed Oct 1, 2026MLS #A4701288
About this home
1591 GULF OF MEXICO DRIVE UNIT 618
Experience an extraordinary standard of beachfront luxury from this spectacular penthouse residence at the prestigious St. Regis Longboat Key. Showcasing breathtaking panoramic views of the Gulf of Mexico and Sarasota Bay, this exceptional home offers an unparalleled blend of sophistication, privacy, and world-class design. Spanning approximately 5,320 square feet, the residence features four spacious bedrooms, five full baths, and one half bath, thoughtfully designed to provide the ultimate in comfort and elegance. Expansive walls of glass frame mesmerizing water views from nearly every room, while the spectacular 1736 square foot wraparound terrace creates seamless indoor-outdoor living. Enjoy your own private plunge pool, outdoor gas grill, and multiple entertaining areas perfectly positioned to capture stunning sunrises over the bay and unforgettable sunsets across the Gulf. The interiors have been exquisitely curated by award-winning interior designer Kurt Lucas, with every detail reflecting impeccable craftsmanship, timeless elegance, and refined coastal luxury. The residence is offered fully furnished, allowing for an effortless transition into an exceptional waterfront lifestyle. Additional features include a private three-car garage. The Residences at The St. Regis Longboat Key combine legendary service with the tranquil allure of a secluded seaside getaway on Longboat Key, Florida. The community spans over 17 acres and boasts 800 feet of direct beachfront, offering residents an unparalleled lifestyle. Amenities include signature St. Regis Butler and Concierge services, a world-renowned St. Regis Spa, in-residence dining, a private resident-only pool and spa, a Clubhouse, a fitness center, and beachside cabanas. Experience the finest in fractional luxury living at The St. Regis Longboat Key.
Facts & features
The home at a glance
4
Bedrooms
5.5
Bathrooms
5,350
Sqft
0 ac
Lot size
3
Garage
2024
Year built
One
Levels
$2,336
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.
$80,341 /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
$80,341/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.
$/sqft vs ST. REGIS LONGBOAT KEY
$2,336 vs $2,567
Days on market
11 vs 125 typical
Where $2,336/sqft sits among the 6 homes for sale in ST. REGIS LONGBOAT KEY
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
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 → $948K
Longboat Key median sold, yr/yr
93.1%
Sale-to-list ratio (12 mo)
3 of 6
ST. REGIS LONGBOAT KEY have cut their price
Median sold price, Longboat Key, trailing 36 months (3-month rolling) · live MLS data.
This home is listed 2142% 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 1591 GULF OF MEXICO DRIVE UNIT 618
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Dec ’25$6,400,000
1591 GULF OF MEXICO DRIVE UNIT 410 · same community
2 bd · 2.5 ba · 3,130 sqft · $2,045/sqft · 85 DOM
Sold · Nov ’25$4,500,000
1591 GULF OF MEXICO DRIVE UNIT 617 · same community
2 bd · 3.5 ba · 3,118 sqft · $1,443/sqft · 10 DOM
Sold · Jul ’26$6,000,000
1581 GULF OF MEXICO DRIVE UNIT 406 · same community
2 bd · 2.5 ba · 2,347 sqft · $2,556/sqft · 80 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
Pedro Ribeiro Gloria
REALTOR® · CENTURY 21 Edge
Tours, negotiation, and every question about 1591 GULF OF MEXICO DRIVE UNIT 618 — start here.

Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 1591 GULF OF MEXICO DRIVE UNIT 618 — before you fall in love.
See it in person
Schedule a tour
Live availability from Pedro's calendar — pick a time and it's booked. Confirmation lands in your inbox immediately.
Straight answers
1591 GULF OF MEXICO DRIVE UNIT 618 FAQs
What would the monthly payment be for 1591 GULF OF MEXICO DRIVE UNIT 618?+
With 10% down on a 30-year Conventional loan at 6%, the all-in payment lands around $80,341/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 1591 GULF OF MEXICO DRIVE UNIT 618?+
The most recent tax bill on record (2025) was $96,534. 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 1591 GULF OF MEXICO DRIVE UNIT 618?+
The listing reports pets: Number Limit, 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 $12,500,000, this home is listed about 1347% above the Longboat Key median of $863,900. The market section on this page shows how the area is trending.
Which schools are assigned to 1591 GULF OF MEXICO DRIVE UNIT 618?+
Booker High School (high), Booker Middle School (middle), Southside Elementary School (elementary) — Sarasota County School District. Always verify school assignments with the district before relying on them.
The brief
Three things that matter here
01Positioned at the premium end
$12,500,000 runs 2142% above the LONGBOAT KEY 34228 median — but at 5,350 sqft it's also nearly 4 times the size of 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, Booker Middle School, Southside Elementary School — Southside Elementary School rates 5 of 5. Always verify assignments with the district.
Keep looking
Similar homes nearby
Listing courtesy of MICHAEL SAUNDERS & COMPANY · Lynn Morris, PLLC. MLS #A4701288.
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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