
1591 GULF OF MEXICO DRIVE UNIT 312, LONGBOAT KEY, FL, 34228
Active48 days on marketListed Sep 21, 2026MLS #A4702788
About this home
1591 GULF OF MEXICO DRIVE UNIT 312
Tucked into the Champagne Building at The Residences at The St. Regis Longboat Key, unit 312 is a fully furnished coastal residence done right. Ceilings soar, glass walls stretch floor to ceiling, and the craftsmanship shows in every corner of this thoughtfully laid-out home. Tenant in place from late December through the end of March, generating approximately $90,000 in rental income. Step off the private elevator and into a great room capped by a dramatic tray ceiling and a sculptural bubble chandelier, where sliding glass doors open the space up to the terrace and the greenery beyond, letting the space extend beyond the walls. The kitchen is built for chef and entertainer alike. Glossy custom cabinetry, waterfall-edge counters with a leathered finish, a book matched quartz backsplash, and a full Wolf and Sub-Zero lineup, gas cooktop, double wall ovens, paneled refrigeration all give it the look of a showroom and the function of a real working kitchen. The island is the centerpiece for memories to be made with friends and family. The primary suite feels like its own retreat, tucked away from the living space with a wall of glass framing the grounds below. The bath is spa-worthy: dual vanities under illuminated round mirrors, a frameless glass rain shower, and a walk-in closet custom-fitted with enough drawers and shelving for a serious wardrobe. A second ensuite bedroom offers privacy for guests, and a well-appointed bath handles the rest. A discreet wet bar with wine storage and ice maker sits ready for evening cocktails, and wide-plank, wood-look porcelain tile runs throughout, warming up every room without competing with the views. Outside, the private terrace comes with its own Wolf gas grill, an easy spot for dinner under Longboat Key's evening skies. This is one of only 69 residences in the first branded residential community on the Gulf of Mexico with 800 feet of private beachfront. Ownership here comes with real perks: St. Regis Butler and Concierge service on call, a private Residents' Clubhouse and fitness center, a resident-only pool and spa, and beachside cabanas set aside just for owners. Steps beyond that, the full resort opens up: a heated infinity-edge pool, a drifting lazy river, a meandering saltwater lagoon home to a family of resident Aldabra tortoises, several chef-driven restaurants, and an oceanfront spa with vitality pools and a full menu of treatments. It's the kind of amenity list that makes staying home feel like a vacation. St. Armand’s Circle and downtown Sarasota are just minutes away, but out here on this stretch of Longboat Key, the pace slows down and the world feels a little further off. Here, you're not just buying a home, you're buying into the St. Regis way of doing life, every single day.
Facts & features
The home at a glance
2
Bedrooms
2.5
Bathrooms
2,154
Sqft
0 ac
Lot size
2
Garage
2024
Year built
One
Levels
$1,992
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.
$31,393 /mo · 10% down Conventional, 30-yr fixed at 7.5%
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
$31,393/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.
Can I afford this home? → See what you can comfortably afford from your income, debts and savings.
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
+78.7%
$/sqft vs ST. REGIS LONGBOAT KEY
$1,992 vs $2,336
Days on market
48 vs 85 typical
Where $1,992/sqft sits among the 7 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
7,539
Median age
71.2
Median income
$158,030
Median home value
$1,022,100
Avg household
1.79
Households w/ children
37%
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
$980K → $1.0M
Longboat Key median sold, yr/yr
93.5%
Sale-to-list ratio (12 mo)
4 of 7
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 627% 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 312
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Apr ’26$3,600,000
1591 GULF OF MEXICO DRIVE UNIT 412 · same community
2 bd · 2 ba · 2,154 sqft · $1,671/sqft · 54 DOM
Sold · Mar ’26$6,200,000
1591 GULF OF MEXICO DRIVE UNIT 314 · same community
2 bd · 2.5 ba · 2,249 sqft · $2,757/sqft · 159 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
Kemarie Johnson
REALTOR® · CENTURY 21 Edge
Tours, negotiation, and every question about 1591 GULF OF MEXICO DRIVE UNIT 312 — 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 312 — before you fall in love.
See it in person
Schedule a tour
Live availability from Kemarie's calendar — pick a time and it's booked. Confirmation lands in your inbox immediately.
Straight answers
1591 GULF OF MEXICO DRIVE UNIT 312 FAQs
What would the monthly payment be for 1591 GULF OF MEXICO DRIVE UNIT 312?+
With 10% down on a 30-year Conventional loan at 7.5%, the all-in payment lands around $31,393/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 312?+
The most recent tax bill on record (2025) was $31,531. 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 312?+
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 $4,290,000, this home is listed about 369% above the Longboat Key median of $915,000. The market section on this page shows how the area is trending.
Which schools are assigned to 1591 GULF OF MEXICO DRIVE UNIT 312?+
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
$4,290,000 runs 627% above the LONGBOAT KEY 34228 median — but at 2,154 sqft it's also 35% 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, 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 #A4702788.
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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