Sands REPM

298 Castaways ST photos

Modern architectural exterior featuring a distinct angular design, expansive glass paneling, a two-car garage with frosted glass inserts, a decorative stone facade, and a meticulously landscaped front yard with white stone accents
Contemporary facade featuring a dark gray garage door with frosted window inserts
Aerial perspective showcasing a coastal community with prominent water features
298 Castaways ST photo 4
Spacious living area featuring large format light-toned flooring, expansive glass doors, recessed lighting, and a contemporary built-in wall unit
Expansive living area with large format flooring, recessed lighting, and floor-to-ceiling windows
298 Castaways ST photo 7
Integrated laundry area featuring a stacked washer and dryer, adjacent to a hallway with recessed lighting
298 Castaways ST photo 9
Contemporary kitchen featuring an oversized island with a light-toned countertop, sleek flat-panel cabinetry, integrated double wall ovens, a linear window, and recessed lighting
298 Castaways ST photo 11
298 Castaways ST photo 12
Modern kitchen featuring an expansive island with seating, integrated appliances, slab cabinetry, and a sleek linear lighting fixture
Open-concept living space with light-toned flooring and contemporary recessed lighting
Contemporary kitchen featuring an expansive central island with seating
Modern kitchen featuring light-toned cabinetry with integrated hardware, a contrasting black accent shelf, and a light-colored countertop
Custom closet system featuring light wood-finish cabinetry, integrated shelving, hanging rods, and an organized shoe display
Custom closet system featuring light wood-finish cabinetry
Customizable closet system featuring extensive shelving, hanging space, and integrated cubbies
Spacious room featuring a textured accent wall, light-toned flooring, and recessed ceiling lights
Spacious bedroom featuring recessed lighting, a decorative accent wall, light-toned flooring, and dark-framed interior doors
Spacious room featuring a textured accent wall, recessed lighting, and light-toned flooring
Bathroom featuring a floating vanity with wood-finish drawers, under-mount sink, and a large horizontal mirror
Modern bathroom featuring a frameless glass shower enclosure, a rainfall showerhead, and a recessed shower niche
Expansive angled window wall with black framing, high ceilings with recessed lighting, textured accent wall, and large format light-toned floor tiles
Bedroom featuring a textured accent wall, dark wood-finish bi-fold closet doors, recessed lighting, and light-toned flooring
Walk-in shower with clear glass enclosure, pebble-style flooring, and integrated bench seating
Floating wood-finish vanity with an integrated rectangular sink
Bright bedroom featuring a textured accent wall and recessed lighting
Bathroom featuring a frameless glass shower enclosure, a wall-mounted vanity with wood-finish cabinetry, an illuminated mirror, and hexagonal tile flooring
Room featuring textured accent wall, two upholstered bed frames, dark wood-finish bi-fold closet doors, and recessed lighting
Spacious room featuring white flooring, a prominent accent wall with textured wallpaper, recessed lighting, a modern window treatment, and a dark-framed doorway
Contemporary bedroom featuring a textured accent wall, recessed lighting, and light-colored flooring
298 Castaways ST photo 34
Outdoor patio featuring a rectangular swimming pool, light-toned patio flooring, and large sliding glass doors
Rectangular pool with light blue tiling and white coping
Outdoor living area featuring an integrated swimming pool, white tile surround, and a covered patio with an outdoor kitchen
Courtyard pool featuring a rectangular design, light tile coping, and surrounding patio
298 Castaways ST photo 39
Outdoor kitchen featuring a built-in stainless steel grill, integrated beverage cooler, sink with a matte black faucet, and vertical wood-finish cabinetry panels
Modern exterior with expansive glass doors, a rectangular pool, and a structured outdoor kitchen
298 Castaways ST photo 42
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298 Castaways ST, MARCO ISLAND

Single Family Residence

Active

$3,500,000

4

Beds

3

Baths

2,853

Sqft

Est. $19,128/mo · Get pre-qualified

Home Type: Single Family ResidenceYear Built: 2026Sqft: 2,853Price/Sqft: $1,227Lot Size: 0.22 acres

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.

63 days on market · Listing updated August 26, 2026

Location

Facts & Features

Interior Features:
Split Bedrooms, Built-In Cabinets, Closet Cabinets, Custom Mirrors, Walk-In Closet(s)
Appliances:
Electric Cooktop, Dishwasher, Disposal, Microwave, Pot Filler, Refrigerator/Icemaker, Wall Oven, Wine Cooler
Flooring:
Tile
Laundry:
Washer/Dryer Hookup
Primary Bathroom:
Dual Sinks, Shower Only
Kitchen:
Kitchen Island
Dining Room:
Eat-in Kitchen
Entry Level:
1
Heating:
Central Electric, Fireplace(s)
Cooling:
Central Electric
Utilities:
Cable Available
Sewer:
Central
Water Source:
Central
Security:
Smoke Detector(s), Smoke Detectors
Exterior Features:
Outdoor Kitchen, Outdoor Shower, Privacy Wall, Sprinkler Auto, Storage
Construction:
Concrete Block, Stucco
Architectural Style:
Contemporary
Roof:
Built-Up or Flat
Patio / Porch:
Patio
Fencing:
Fenced
View:
Landscaped Area
Waterfront:
None
Direction Faces:
East
Lot Features:
Regular
Irrigation:
Well
Road Surface:
Paved
Road Frontage:
Access Road, Public Road
Road Maintenance:
City Maintained
Parking:
2+ Spaces, Covered, Driveway Paved, Garage Door Opener, Attached
Garage Spaces:
2
Pool:
In Ground, Concrete, Custom Upgrades, Equipment Stays, Electric Heat, Salt Water, Self Cleaning
Windows:
Impact Resistant, Impact Resistant Windows
Doors:
Impact Resistant Doors, French Doors
Community Features:
None, No Subdivision
Subdivision:
MARCO ISLAND
Annual Taxes:
$3,135
Pets Allowed:
No Approval Needed
Furnished:
Furnished
New Construction:
Yes
Condition:
New Construction
Possession:
Close Of Escrow
Listing Terms:
Buyer Finance/Cash

Price History

DateEventPrice
Jun 26, 2026Original list price$3,500,000

Reflects listing data on file, not a complete transaction history.

Listed by Jorge Marino Marino, LLC, Waterfront Realty Group Inc

$3,500,000

298 Castaways ST, MARCO ISLAND

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$19,128

est. monthly payment

Estimate only — actual payment depends on your lender, credit profile, and final loan terms.

The data relating to real estate for sale displayed on this Website comes in part from the Multiple Listing Service of the Bonita Springs-Estero Association of REALTORS®, Inc., under License No. BK3468074. Properties displayed on this Website include properties listed with brokerage firms other than Sands Real Estate & Property Management. Detailed information about such properties includes the name of the brokerage firm with which the seller has listed the property. The properties displayed may not be all the properties listed with brokerage firms participating in the Bonita Springs-Estero Association of REALTORS® Multiple Listing Service, or contained in the database compilation of the Bonita Springs-Estero Association of REALTORS® Multiple Listing Service.