ActivePOOL HOMEWATERFRONTNO CDDNEW CONSTRUCTION
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$15,000,000
$3,046/sqft
HOA: NoneTaxes: $44,748/yr499d on market

Sleepy Lagoon

6603 GULFSIDE RD, LONGBOAT KEY, FL, 34228

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5 Beds|6 Baths|4,925 Sq Ft|Built 2026|3 Car Garage

Key Features

Private PoolGulf AccessGulf ViewNew ConstructionSingle Story3-Car Garage
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✨ This home matches what most buyers are looking for in this area.

C2C

Coast 2 Coast Home Realty

Licensed Florida Realtors

4.9· 214 reviews

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Why this home stands out

  • 499+ days on market — seller may be motivated

Buyer Insights are informational only — always verify with your agent.

Under Construction. Just steps from the sand along Longboat Key’s prized coastline, the construction of a modern architectural showpiece is now complete and ready for living the ultimate lifestyle. Majestically poised on over a third of an acre, this modern residence’s visual presentation was intentionally and expertly planned with no detail overlooked. Expansive walls of glass take full advantage of the dramatic Gulf views that stretch across the horizon and set the stage for viewing memorable sunsets in brilliant hues of yellows, oranges and reds. The sophisticated coastal aesthetic has been cohesively designed to evoke a peaceful ambiance, captivate the senses, and create harmonious spaces that inspire and uplift. This exceptional beachfront estate offers a light-filled floor plan of 4,925 sq. ft. and provides five bedrooms, six baths, an executive office and a den. Encompassing nearly 1,000 sq. ft., the living, dining and kitchen area is simply breathtaking with walls of glass on two sides and cerulean blue water panoramas stretch as far as the eye can see. Style and comfort easily flow throughout the residence with its crisp clean lines and spacious open areas filled with natural light, balanced by organic materials and earthy neutral tones to create an open, airy ambiance. From sleek Walker Zanger porcelain tile to custom cabinetry and polished nickel fixtures, the finishes are top-tier. The kitchen façade is artistically impressive and features everything you’d expect in a home of this caliber with a large waterfall-edge island and premium Sub-Zero and Wolf appliance package including double ovens, induction cooktop, and full-size temperature-controlled wine storage. The owner’s retreat is a true showstopper with floor-to-ceiling glass sliders that open wide to a sweeping terrace perched high above the water. Inside, the suite offers a fully customized wardrobe room and a resort-inspired bath featuring tiled walls, a walk-in shower with multiple heads, a freestanding designer tub, dual floating vanities, and a private water closet. Upstairs, an executive office and three generous bedroom suites—each with its own walk-in closet—gives plenty of space for family or guests. A fourth bedroom shares a cozy den, perfect for lounging or movie nights. This incredible residence is well suited for entertaining, whether enjoying small intimate gatherings or hosting elaborate sunset soirees. The enormous ground-level outdoor space is highlighted by a 36-foot lap pool, sun shelf, heated spa, and a fully equipped summer kitchen with a grilling station. Additionally on this level are a three-car garage, an outdoor shower, and an elevator to all 3 levels plus a staircase in a glass enclosed entry. Living along the water’s edge introduces magical nuances with the dawning of every new day. The sights and sounds in one of nature’s most beautiful settings will lull you into peaceful bliss. Life on the water is truly a dream come true—a place to be cherished and appreciated for years to come.

Subdivision
SLEEPY LAGOON
County
Manatee
Zip Code
34228
Community
Sleepy Lagoon

Neighborhood

Map unavailable

Type
Single Family Residence
Living Area
4,925 sqft
Construction
Block, Metal Frame
Roof
Other
Flooring
Ceramic Tile
Pool
Yes
HOA
None
  • Ceiling Fans(s)
  • Eat-in Kitchen
  • Balcony
  • Built-in Oven
  • Convection Oven
  • Dishwasher
  • Disposal
  • Electric Water Heater
  • Laundry Room
  • Cable Available
  • Electricity Available
Bedrooms
5
Bathrooms
6
Year Built
2026
Construction
Block, Metal Frame
Flooring
Ceramic Tile
Roof
Other
Garage Spaces
3
Cooling
Central Air
Heating
Central
Waterfront
Yes
Pet Restrictions
Cats Ok, Dogs Ok
Lot Size
0.39 acres
Senior Community
No
Building Elevator
Pet Size
# of Pets
Max Pet Weight
Tax Year
2024
Annual Tax Amount
$44,748
No HOA fees on this listing.
Down Payment20% — $3,000,000
Interest Rate6.50%
Loan Term
Est. Mortgage
$75,848
HOA Fee
$0
Est. Property Tax
$3,729
Est. Insurance
$5,000
Total Est. Monthly Cost$84,577

* Estimates are for illustration purposes only and do not constitute an offer of financial advice. Actual rates, payments, insurance, and taxes will vary based on credit, location, and other factors. Contact a licensed mortgage professional for a personalized quote. Homeowners insurance estimate based on Florida averages.

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