298 Castaways ST Marco Island, FL $ 3,500,000
298 Castaways ST
$ 3,500,000
Recently Listed New Construction
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298 Castaways ST

Marco Island, FL, 34145
$ 3,500,000
Bedrooms4 Baths3.0 Sq 2,853

Monthly Estimate*

$ 22,099

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Single Family Home for sale in Marco Island, FL

for $3,500,000 with 4 bedrooms and 3 full baths. This 2,853 square foot home was built in 2026 on a lot size of 0.22.

Discover this spectacular modern mid-century estate in the highly desirable Marco Island area. Situated on a private, fully fenced 0.22-acre homesite, this custom-built masterpiece offers over 6,520 total square feet of exceptional living and entertaining space, perfectly blending luxury, contemporary design, and privacy. Crafted with impeccable attention to detail, this stunning residence features 4 spacious bedrooms, 3 full bathrooms, and a chef-inspired gourmet kitchen designed for both everyday living and elegant entertaining. From the impressive 10-foot French entry doors to the expansive impact-resistant windows that flood the home with natural light, every element has been thoughtfully designed to create a seamless connection between indoor and outdoor living. The luxurious primary suite is a true private retreat, offering a spacious walk-in shower, dual vanities, a smart toilet, custom wood cabinetry, and elegant quartz countertops. Throughout the home, you'll find premium finishes including large-format luxury porcelain tile flooring, solid wood interior doors, custom Italian-inspired design elements, and high-end craftsmanship that reflects quality in every detail. Ideally located just minutes from Marco Island's world-famous white-sand beaches, fine dining, shopping, entertainment, and marinas, this exceptional property offers the perfect combination of tranquility, architectural elegance, and modern luxury. Experience the ultimate Marco Island lifestyle in a home where sophistication meets comfort—an extraordinary opportunity to own a truly remarkable residence.

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Single Family Active

Price

$ 3,500,000

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 3,135

Style

Contemporary,Single Family

Lot Size

0.22

Year Built

2026

Town/City

Marco Island

County/Region

Collier

MLS | Web ID

226023732

Features
Interior
Interior Amenities Built-In Cabinets Closet Cabinets Custom Mirrors Fireplace French Doors Smoke Detectors Walk-In Closet(s)
Flooring Tile
Furnished Y/N Furnished
Total Stories 1
Air Conditioning Y/N Y
Heating Y/N Y
Fireplace Y/N Y
Half Baths 0
Laundry Features Washer/Dryer Hookup
Total Bedrooms 4
Total Baths 3
Dining Room Features Eat-in Kitchen
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General
Heating Central Electric
Cooling Central Electric
Roof Built-Up
Appliances Electric Cooktop Dishwasher Disposal Microwave Pot Filler Refrigerator/Icemaker Wall Oven Wine Cooler
HOA Fee 0
Garage Spaces 2
Patio/Porch Features Patio
Architectural Style Contemporary Single Family
Pool Features Below Ground Concrete Custom Upgrades Equipment Stays Electric Heat Salt Water Self Cleaning
Security Features Smoke Detector(s)
Construction Materials Concrete Block Stucco
Pets Allowed Yes
Year Built 2026
View Landscaped Area
Levels 1
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features None
County Collier
New Construction Y
Property Type Residential
Association Amenities None
HOA N
Attached Garage Y
Subdivision Name MARCO ISLAND
Garage Y/N Y
Other Structures Outdoor Kitchen Storage
Total Rooms 4
Full Baths 3
Status Active
City MARCO ISLAND
Senior Community Y/N N
Number Of Units Total 1
MLS Area MARCO ISLAND
Lot Size Units Acres
Lot Size Square Feet 9583
Carport Spaces 0
Carport Y/N N
Land Lease Y/N N
Tax Annual Amount 3135.21
Ok to Lease Buyer Finance/Cash
Additional Parcels Y/N N
Virtual Tour https://www.zillow.com/view-imx/3e89c322-047c-40b6-b738-ab4ec3c9d11b?wl=true&setAttribution=mls&initialViewType=pano https://luxury-list-media-group.aryeo.com/sites/eqlxqbbk/unbranded
Structure Type House
Building Area Units Square Feet
Living Area Units Square Feet
Standard Status Active
Legal Description MARCO BCH UNIT 6 BLK 224 LOT 21
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Exterior
Exterior Amenities Outdoor Kitchen Outdoor Shower Storage
Fencing Fenced
Parking Features Covered Driveway Paved Attached
Lot Features Regular
Water Source Central
Total Parking 2
Lot Size Area 0.22
Foundation Details Concrete Block
Park Name MARCO ISLAND
Spa N
Building Area Total 5600
Lot Size Acres 0.22
Road Surface Type Paved
Waterfront Y/N N
Covered Spaces 2
Door Features French Doors
Road Responsibility Public Maintained Road
Horse Y/N N
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Internal Only
Street Number 1 298
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* Excluded Features
List By
Waterfront Realty Group Inc

Broker

Affordability Calculator

$22,361
Per Month
99%
1%
0%
Monthly Principal & Interest
$22,099
Monthly Property Taxes
$261
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
1023012 Elementary School
1023173 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
6/26/2026$3,500,000 Listed Price

Map


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298 Castaways ST, Marco Island, FL, 34145 is a Single Family Home for sale at $3,500,000 with 2,853 sqft and a lot size of 0.22. 298 Castaways ST has 4 bedrooms, 3.0 baths, and was built in 2026. The property's zip code is 34145 which is in Marco Island, FL