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$5,295,000

3100 GULF OF MEXICO DR

LONGBOAT KEY, FL 34228

Listed by Reid Murphy · DEVELOPERS REALTY LBK, INC

Bedrooms

Bathrooms

Living area

4,361 sqft

Year built

2025

About this home

Set against the luminous backdrop of prestigious Longboat Key, this newly built residence offers a quietly sophisticated interpretation of island living. Ideally situated just across from the beach, the home is framed by glimpses of the water, while its considered architecture and refined interiors create an atmosphere of understated luxury. Here, contemporary design meets the effortless beauty of coastal life, creating a private retreat that feels both polished and profoundly connected to its surroundings. Lush, mature landscaping envelops the property in a verdant embrace, ensuring privacy and a sense of tranquility that makes every moment feel like a serene escape. Sunlight streams through expansive windows, filling every room with natural light and cultivating an uplifting, inviting atmosphere. Featuring a three-car garage with dual driveways and convenient elevator access to all levels, the impressive 4,361-square-foot residence, with a total of 6,527 square feet under roof, is thoughtfully designed for both grand entertaining and intimate daily living. An attached poolside casita boasts a dedicated entrance with elegant French doors, a bedroom with walk-in closet, a kitchenette, a full bath, and a covered lanai. Every detail has been carefully considered to ensure comfort and versatility, with an additional four spacious bedrooms, three and a half baths, a quiet study, an upper-level lobby and exercise room, plus laundry rooms on both floors for ultimate convenience. Step inside through grand iron and glass double doors into a dramatic foyer and gallery, where a stunning glass-enclosed wine room stands as an artistic focal point. High ceilings amplify the airy, light-filled ambiance throughout, creating a sense of openness and grandeur that is both welcoming and awe-inspiring. The screened pool area presents a rejuvenating spa, tranquil waterfall, captivating fire feature, and an expansive covered lanai boasting a built-in cabana bar with a professional-grade grilling station, a serving island buffet, generous dining space, and a comfortable outdoor living area. Inside, the great room impresses with a sleek linear fireplace, beautifully designed beamed ceiling, and massive glass sliders opening wide to the lush poolside retreat. The high-end island kitchen is a connoisseur's dream, equipped with premium appliances and a wall of windows framing vibrant tropical views. Adjacent spaces include a pool bath, a large walk-in pantry, a laundry room with a sink and abundant storage, and a convenient elevator valet area. The study is a private haven, featuring a custom ceiling and two full walls of glass with panoramic views, and a VIP ensuite off the foyer offers a secluded balcony for peaceful moments. Distinctive designer light fixtures and dazzling chandeliers illuminate the space with a touch of glamour and sophistication. Upstairs, the second floor amenities include elevator access, a lobby, an exercise room, two bedrooms, and a full bath. A dramatic bridge overlooking the great room leads to the magnificent primary suite with intricate ceiling details, a large expanse of windows, a private water closet, spa-like bath with dual vanities, a freestanding soaking tub, a grand full-height glass shower, and a customized wardrobe room. This exceptional residence is far more than just a home of stylish elegance and gracious open living, it is a sanctuary, a retreat, and an invitation to savor the very best of the coastal lifestyle.

Highlights

Private poolFireplaceNew construction

Property details

MLS #: MFRA4707515
Property type: Single Family Residence
Subdivision: COQUINA BEACH
Status: Active
Days on market: N/A
On market date: October 1, 2026
Stories: N/A
Total bathrooms: 5
Garage spaces: 3
Parking spaces: N/A
Lot size: 0.57 acres

Location

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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary

BAY HAVEN SCHOOL OF BASICS PLUS

4.79 mi away · Grades 0-5

Nearest school -- attendance-zone data not available here

4.0

Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating

Enrollment: 587
Student:teacher ratio: 14.7:1
District: SARASOTA

Middle

ELECTA LEE MAGNET MIDDLE SCHOOL

5.44 mi away · Grades 6-8

Nearest school -- attendance-zone data not available here

3.0

Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating

Enrollment: 780
Student:teacher ratio: 16.6:1
District: MANATEE

HighCharter

STATE COLLEGE OF FLORIDA COLLEGIATE SCHOOL

5.19 mi away · Grades 6-12

Nearest school -- attendance-zone data not available here

1.0

Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating

Enrollment: 504
Student:teacher ratio: 25.2:1
District: MANATEE

Walkability

Blended score for LONGBOAT KEY's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

Walkable

out of 100

EPA National Walkability Index

16.3 / 20 -- Most walkable

Google Places amenity density

53 / 100

Restaurants & cafes6

Grocery stores1

Parks8

Schools1

Transit stops1

Pharmacies2

Mortgage calculator

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Home price

Down payment

Interest rate

Loan term

Adjust tax / insurance estimates

Property tax

% / yr

Home insurance

/mo

Est. monthly payment

$32,037/mo

$1,059,000 down

$4,236,000 loan

Principal & interest$27,475

Property tax (est.)$4,413

Home insurance (est.)$150

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Data source: Listing information provided by Stellar MLS (mfrmls) via Trestle/CoreLogic. Last updated 21 hr ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.