3240 GULF OF MEXICO DRIVE UNIT B104, LONGBOAT KEY, FL, 34228
Active131 days on marketListed Apr 10, 2026MLS #A4688243
About this home
3240 GULF OF MEXICO DRIVE UNIT B104
Experience tranquil island living in this beautifully maintained first-floor residence at Portobello, offering private, serene views of expansive grounds, lush mangroves, and the bay. With your beach, shimmering Gulf waters, and breathtaking sunsets just across the street, this is the perfect coastal retreat. Designed with a desirable split floor plan, the home is filled with natural light from sliding glass doors that span the width of the residence. The large screened-in lanai is accessible from the living area and both bedrooms—seamlessly blending indoor and outdoor living while overlooking a generous grassy yard space and peaceful bayou, perfect for canoeing and kayaking right from your backyard. The kitchen features granite countertops and stainless steel appliances. Offered turn-key and fully furnished, this residence is move-in ready and ideal for seasonal or full-time living. Portobello is a sought-after Beach-to-Bay community ideally located mid-Key, offering an exceptional array of amenities including 600 feet of private beach frontage and 260 feet along the bay. Residents enjoy a heated community pool, tennis courts, clubhouse, BBQ and picnic areas, fishing pier, and kayak launch. Just minutes from the world-class shopping and dining of St. Armands Circle and everything Sarasota has to offer, this exceptional residence invites you to experience the pinnacle of Longboat Key living—where every day feels like a vacation.
Facts & features
The home at a glance
2
Bedrooms
2
Bathrooms
1,260
Sqft
0 ac
Lot size
1975
Year built
One
Levels
$337
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.
$3,228 /mo · 3.5% down FHA, 30-yr fixed at 6%
The assumptions
FHA is the default here because it gets you in the door with just 3.5% down. Switch to Conventional or VA below.
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
Estimated payment
$3,228/mo
Includes FHA mortgage insurance and the financed 1.75% upfront premium. 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
−39.6%
$/sqft vs Longboat Key actives
$337 vs $693
Days on market
131 vs 94 typical
Where $337/sqft sits among the 243 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
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 → $1.4M
Longboat Key median sold, yr/yr
93.1%
Sale-to-list ratio (12 mo)
104 of 243
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 32% below the LONGBOAT KEY 34228 median. See the full Longboat Key market guide →
Paper trail
This home's history
Reality check
What actually sold near 3240 GULF OF MEXICO DRIVE UNIT B104
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · May ’26$850,000
3235 GULF OF MEXICO DRIVE UNIT A305 · same community
2 bd · 2 ba · 1,260 sqft · $675/sqft · 341 DOM
Sold · May ’26$506,000
1965 GULF OF MEXICO DRIVE UNIT G5-400
2 bd · 2 ba · 1,257 sqft · $403/sqft · 0 DOM
Sold · May ’26$720,000
1965 GULF OF MEXICO DRIVE UNIT G5-407
2 bd · 2 ba · 1,257 sqft · $573/sqft · 48 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 3240 GULF OF MEXICO DRIVE UNIT B104 — start here.
Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 3240 GULF OF MEXICO DRIVE UNIT B104 — 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
3240 GULF OF MEXICO DRIVE UNIT B104 FAQs
What would the monthly payment be for 3240 GULF OF MEXICO DRIVE UNIT B104?+
With 3.5% down on a 30-year FHA loan at 6%, the all-in payment lands around $3,228/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 3240 GULF OF MEXICO DRIVE UNIT B104?+
The most recent tax bill on record (2025) was $4,538. 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 3240 GULF OF MEXICO DRIVE UNIT B104?+
The listing reports pets: No. 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 $425,000, this home is listed about 55% below the Longboat Key median of $950,000. The market section on this page shows how the area is trending.
Which schools are assigned to 3240 GULF OF MEXICO DRIVE UNIT B104?+
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
01Under the LONGBOAT KEY 34228 market on paper
$425,000 is 32% below the LONGBOAT KEY 34228 median of $625,000, and at $337/sqft it sits under the Longboat Key average of $853.
02Move-in furnished
The furniture conveys — a genuine head start for a second home or rental, and one less five-figure line item after closing.
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 $495,000, now $425,000 — a $70K cut. The full history is in the market section below.
Keep looking
Similar homes nearby
Listing courtesy of KW COASTAL LIVING III · Laura Rode. MLS #A4688243.
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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