6603 GULFSIDE ROAD Longboat Key, FL $ 15,000,000
6603 GULFSIDE ROAD
$ 15,000,000
New Construction
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6603 GULFSIDE ROAD

Longboat Key, FL, 34228
$ 15,000,000
Bedrooms5 Baths5.1 Sq 4,925

Monthly Estimate*

$ 93,580

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Single Family Home for sale in Longboat Key, FL

for $15,000,000 with 5 bedrooms and 5 full baths, 1 half bath. This 4,925 square foot home was built in 2025 on a lot size of 0.39.

Under Construction. You're in for something special with this new beachfront construction set to be completed by December, 2025. Located on over a quarter acre on Longboat Key, this contemporary luxury home is directly on the beach with stunning Gulf views. Designed with a modern coastal aesthetic, it’s built for both style and comfort. Inside no detail is overlooked. From sleek Walker Zanger porcelain tile to custom cabinetry and polished nickel fixtures, the finishes are top-tier. The gourmet kitchen features an expansive layout with a large waterfall-edge island, double Wolf ovens, Sub-Zero refrigeration, a full-size wine cooler, and a Wolf induction cooktop—everything you need for serious cooking or entertaining. Primary suite is a true showstopper with floor-to-ceiling glass sliders that open wide to a sweeping terrace. Gulf breezes flow through the space, and the shimmering azure water is always in view. Inside, the suite offers a spacious walk-in closet and a spa-like bath featuring tiled walls, a walk-in shower with multiple heads, a soaking 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. The grand-level outdoor space takes full advantage of its beachfront setting with a 36-foot lap pool, sun shelf, heated spa, and a fully equipped summer kitchen with a grilling station—ideal for effortless entertaining, all just steps from the sand.

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Single Family Active

Price

$ 15,000,000

Bedrooms

5

Full Bath

5

Half Bath

1

Property Type

Single Family

Taxes

$ 44,748

Style

Single Family Residence

Lot Size

0.39

Year Built

2025

Town/City

Longboat Key

County/Region

Manatee

MLS | Web ID

A4648957

Features
Interior
Interior Amenities ceiling fan(s) eating space in kitchen
Flooring ceramic tile
Fireplace Features electric
Total Stories 2
Air Conditioning Y/N yes
Heating Y/N yes
Fireplace Y/N yes
Half Baths 1
Laundry Features laundry room
Total Bedrooms 5
Total Baths 6
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General
Sewer public sewer
Heating central
Cooling central air
Utilities cable available electricity available
Roof other
Appliances built-in oven convection oven dishwasher disposal electric water heater
Zoning r3sf
Garage Spaces 3
Pool Features heated in ground
Construction Materials block metal frame
Pets Allowed cats ok dogs ok
Year Built 2025
Levels one
Property Subtype single family residence
Tax Year 2024
Ownership fee simple
Waterfront Features beach gulf/ocean
County manatee
New Construction yes
Property Type residential
HOA N
Attached Garage yes
Subdivision Name sleepy lagoon
Facing Direction west
Garage Y/N yes
Total Rooms 10
Full Baths 5
Status active
Directions gulf of mexico dr to north gulfside entrance.
City longboat key
Senior Community Y/N no
MLS Area 34228 - longboat key
Lot Size Units square feet
Lot Size Square Feet 16893
Carport Y/N no
Listing Terms cash conventional
Spa Features heated in ground
Land Lease Y/N no
Tax Annual Amount 44748.24
Property Condition under construction
Additional Parcels Y/N no
Lease Considered Y/N yes
Virtual Tour https://pix360.com/phototour3/39705/
Building Area Units square feet
Living Area Units square feet
Builder Name vertical design build
Standard Status active
Occupancy Type vacant
Tax Lot 38
Legal Description the swly part of lot 38 sleepy lagoon sub more particularly desc as follows: com at a conc mon at the most nly cor of sd lot 38; th s 37 deg 48 min w alg the nwly ln of sd lot 38 a dist of 185 ft to
Water View gulf/ocean - full
Water Access Type beach beach - access deeded
Minimum Lease 1 month
Water Access Y/N yes
Water View Y/N yes
Flood Zone Code ae
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Exterior
Exterior Amenities balcony
Water Source public
Lot Size Area 16893
Foundation Details slab stilt/on piling
Spa yes
Building Area Total 6225
Lot Dimensions 103 x 164
Lot Size Acres 0.39
Road Surface Type asphalt
Private Pool yes
Waterfront Y/N yes
Covered Spaces 3
Builder Model custom
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Internal Only
Street Number 1 6603
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* Excluded Features
List By
Developers Realty Lbk, Inc

Broker

Reid@ReidMurphy.com

Email

Affordability Calculator

$97,309
Per Month
96%
4%
0%
Monthly Principal & Interest
$93,580
Monthly Property Taxes
$3,729
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% 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
266288 Elementary School
265661 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
4/17/2025$15,000,000 Listed Price

Map


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6603 GULFSIDE ROAD, Longboat Key, FL, 34228 is a Single Family Home for sale at $15,000,000 with 4,925 sqft and a lot size of 0.39. 6603 GULFSIDE ROAD has 5 bedrooms, 5.1 baths, and was built in 2025. The property's zip code is 34228 which is in Longboat Key, FL