1403 Grouper Dr, Marathon FL 33050, MARATHON, FL, 33050
Active241 days on marketListed Dec 8, 2025MLS #A11927403
About this home
1403 Grouper Dr, Marathon FL 33050
Welcome to 1403 Grouper Dr, a true Florida Keys gem located in the heart of Marathon! This charming 3-bedroom, 1-bath home offers everything you need for the ideal Keys lifestyle—whether you're looking for a primary residence, a vacation getaway, or a strong investment opportunity. Enjoy direct ocean access from your private boat dock on a deep-water canal, perfect for boating, fishing, and exploring the world-class waters the Keys are known for. With no HOA, you have the freedom and flexibility to use the property as you choose, including potential short-term rental options. Inside, the home is well-maintained, filled with natural light, and features an upgraded bathroom that adds a modern, comfortable touch. The layout is open and welcoming, creating an ideal space for Keys living. Situated within a Florida Keys wildlife and environmental area, the property benefits from protected land directly in front—ensuring no future construction and preserving your privacy, views, and the natural beauty that surrounds the home. Located just minutes from top dining, beaches, marinas, and favorite local attractions, this home puts the best of Marathon right at your fingertips. Whether you’re seeking coastal living or a high-demand investment property, this Marathon retreat checks all the boxes. Don’t miss out on this rare waterfront opportunity!
Facts & features
The home at a glance
3
Bedrooms
1
Bathrooms
1,892
Sqft
1962
Year built
$528
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.
$6,629 /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
$6,629/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 Marathon actives
$528 vs $670
Days on market
241 vs 94 typical
Where $528/sqft sits among the 47 Marathon 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 Marathon Shores
Get to know Marathon. See the full Marathon guide →
Marathon Shores — neighborhood snapshot
Population
2,988
Median age
46
Median income
$83,096
Median home value
$660,812
Avg household
3
Households w/ children
284
For the school run
Monroe County School District
School assignments and ratings via edgeAI — always verify with the district.
The numbers that matter
The Marathon market
$1.1M → $815K
Marathon median sold, yr/yr
95.6%
Sale-to-list ratio (12 mo)
4 of 47
Marathon actives have cut their price
Median sold price, Marathon, trailing 36 months (3-month rolling) · live MLS data.
This home is listed 57% above the MARATHON 33050 median. See the full Marathon market guide →
Paper trail
This home's history
Reality check
What actually sold near 1403 Grouper Dr
Asking prices are opinions — closed sales are facts. The most comparable homes that actually changed hands nearby in the last twelve months.
Sold · Mar ’26$6,200,000
324 Coconut Isle Dr, Fort Lauderdale FL 33301 · same community
6 bd · 5.5 ba · 5,526 sqft · $1,122/sqft · 251 DOM
Sold · May ’26$1,151,000
Nearby listing
4 bd · 3 ba · 1,888 sqft · $610/sqft · 255 DOM
Sold · May ’26$1,750,000
835 70th Street Gulf, Marathon FL 33050
3 bd · 2 ba · 2,159 sqft · $811/sqft · 55 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 1403 Grouper Dr — start here.
Your lender
Andrew Acosta
Acosta Home Loans with PRMG · NMLS #1468866
Pre-approval, rates, and the real monthly number for 1403 Grouper Dr — 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
1403 Grouper Dr FAQs
What would the monthly payment be for 1403 Grouper Dr, Marathon FL 33050?+
With 10% down on a 30-year Conventional loan at 6%, the all-in payment lands around $6,629/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 1403 Grouper Dr, Marathon FL 33050?+
The most recent tax bill on record (2025) was $8,379. A new owner's bill can differ once the sale price resets the assessed value — we can walk you through what to expect.
How does the price compare to other homes in Marathon?+
At $999,900, this home is listed about 13% above the Marathon median of $885,000. The market section on this page shows how the area is trending.
Which schools are assigned to 1403 Grouper Dr, Marathon FL 33050?+
Marathon School (high), Stanley Switlik Elementary School (elementary) — Monroe 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
$999,900 runs 57% above the MARATHON 33050 median — but at 1,892 sqft it's also 46% larger than the typical Marathon listing.
02Waterfront living
This home sits directly on the water — the single scarcest feature in Florida inventory and the strongest long-term value anchor.
03Time on market is leverage
241 days on market against a Marathon median of 94 — sellers in this position are usually ready to negotiate.
04The price has already moved
Listed at $1,200,000, now $999,900 — a $200K cut. The full history is in the market section below.
Keep looking
Similar homes nearby
Listing courtesy of Lifestyle International Realty · Mark Ramirez. MLS #A11927403.
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 Miami Association of REALTORS®.
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