Longboat Key New Construction Homes for Sale

Longboat Key New Construction Homes for Sale

Search Longboat Key new construction homes, Florida Custom Homes provides access to the most current inventory of newly constructed homes in Longboat Key, Florida. Be sure to check out the Real Estate News section where you'll find the latest news and updates regarding Custom Home builders in Longboat Key, you'll also find new and upcoming community information pertaining to new construction homes and developments throughout Longboat Key and surrounding areas.

More: Florida New Construction Homes

Longboat Key New Construction Homes for Sale

$4,395,000
6 Beds 6 Baths Longboat Shores SubDv.
Private Marina. Experience the pinnacle of coastal living in this exceptional new construction waterfront residence, ideally situated in the heart of Longboat Key. Perfectly positioned across from the community marina with direct boating access to the Gulf of Mexico, this move-in-ready home offers an extraordinary blend of modern elegance, superior craftsmanship, and the relaxed sophistication of island life. Spanning 4,106 square feet, this thoughtfully designed residence features 5 spacious bedrooms, a private office/den, and 4 luxurious bathrooms, creating an ideal setting for both everyday living and entertaining. Finished floor elevation above base flood elevation, the home provides added peace of mind while maximizing its commanding presence. Designed to embrace Florida’s indoor-outdoor lifestyle, expansive sliding glass doors seamlessly connect the interior living spaces to two generous covered lanais, overlooking a resort-style heated pool and spa. Whether hosting sunset gatherings or enjoying a quiet morning overlooking the water, every space has been crafted to capture the beauty and serenity of waterfront living. Inside, quality finishes and attention to detail abound. Wide-plank engineered hardwood flooring flows throughout the home, complemented by designer quartz countertops, custom cabinetry, and an open-concept floor plan filled with natural light. The chef-inspired kitchen serves as the centerpiece of the home, featuring an oversized island, premium finishes, and a spacious walk-in pantry. The convenience of dual laundry rooms further enhances the home's thoughtful design. For boating enthusiasts, the property features a concrete seawall and marina access, offering quick and convenient access to Sarasota Bay and the Gulf waters beyond—making it easy to enjoy world-class fishing, waterfront dining, and unforgettable days on the water. A boat slip is currently leased by the owner. Tucked away on a quiet street, yet just moments from Longboat Key’s pristine beautiful sand beaches, championship golf courses, marinas, boutique shopping, and renowned dining destinations, this residence delivers the perfect balance of privacy and accessibility. Offering the rare combination of new construction, waterfront location, elevated construction, luxury finishes, and Gulf boating access, 626 Buttonwood Drive represents an exceptional opportunity to own a premier Longboat Key waterfront retreat in one of Florida’s most coveted coastal communities. Luxury. Boating. Beach Life. Welcome Home.

626 Buttonwood Drive, Longboat Key

$11,900,000
5 Beds 6 Baths Bay Isles SubDv.
Pre-Construction. To be built. Positioned directly across from the iconic St. Regis Longboat Key Resort, this exceptional waterfront residence offers immediate access to world-class amenities, pristine Gulf beaches, fine dining, and championship golf. Located within the exclusive double-gated Harbor Section of Bay Isles on Longboat Key, 1600 Harbor Sound Drive represents a rare convergence of scale, location, and boating capability, crafted for those seeking a refined Gulf Coast lifestyle at the highest level. Set on an expansive 18,043-square-foot corner homesite, the property features an impressive 135 feet of deep-water canal frontage, with the ability to accommodate multiple lifts (up to three) and a substantial vessel. This level of frontage and flexibility is increasingly rare, even among premier waterfront estates. Spanning 5,689 square feet under air, the residence is thoughtfully designed to balance grand-scale entertaining with comfortable everyday living. The home includes 5 bedrooms, a bonus room or office, 5.5 bathrooms, and a 4-car garage. Soaring ceilings and expansive glass openings create a bright, open environment with seamless indoor-outdoor transitions, complemented by refined, designer-level finishes and a private elevator servicing all levels. The chef’s kitchen is executed with top-tier appliances, clean architectural lines, and a level of detail rarely seen in spec construction. A full-scale butler’s pantry, complete with its own stove, provides exceptional functionality and allows for seamless entertaining while keeping the main kitchen pristine. The primary suite is designed as a true retreat, featuring separate his-and-her bathrooms and a fully integrated wellness experience, including a sauna and steam room, bringing a spa-level environment into daily living. Every element has been carefully curated to deliver comfort, functionality, and a sense of understated luxury throughout. Outdoor living is equally compelling, with a resort-style pool and spa, along with a fully equipped outdoor kitchen, covered dining, and lounge areas. These spaces are perfectly positioned to capture the tranquility of the waterfront setting while embracing Florida’s year-round coastal climate. Opportunities of this caliber, combining substantial frontage, strong boating capability, a wellness-driven design, and a premier Harbor Section address are increasingly limited. 1600 Harbor Sound Drive presents a compelling offering for the discerning buyer seeking a newly built waterfront estate in one of Sarasota’s most prestigious enclaves.

1600 Harbor Sound Drive, Longboat Key

$38,450,000
11 Beds 17 Baths Longboat Key SubDv.
Under Construction. Set on nearly two private Gulf-front acres, this visionary estate is emerging as one of the most architecturally significant residences ever conceived on Longboat Key. Designed by the internationally acclaimed firm Sweet Sparkman Architecture & Interiors, the home represents a rare convergence of sculptural design, coastal sensitivity, and modern livability. Bold in concept yet timeless in execution, the main residence unfolds with intention. A dramatic foyer introduces expansive living spaces designed to capture light, scale, and uninterrupted Gulf views. The primary suite is conceived as a private sanctuary, complete with dual spa-inspired baths and bespoke dressing rooms. A stately office, refined lounge, formal dining room, and temperature-controlled wine cellar complement the open-concept great room, which transitions seamlessly to a sweeping Gulf-front terrace. Dual kitchens, a showpiece entertaining kitchen and a separate chef’s kitchen, elevate both daily living and grand-scale hosting. The estate continues upward to a rooftop deck with panoramic coastal vistas, while other levels offer a private cinema, multiple guest suites, and a dedicated guest-level kitchenette. A thoughtfully designed guest house and separate pool house provide additional privacy and flexibility for extended stays or staff accommodations. Outdoors, the setting transforms into a private coastal resort. Lush, layered landscaping surrounds a dramatic resort-style pool and spa, expansive entertaining terraces, tranquil water features, and potential for a private tennis and pickleball court — all oriented toward the Gulf’s endless horizon. Positioned along one of the most coveted stretches of Longboat Key, the property offers both seclusion and proximity to the best of the region, including The Resort at Longboat Key Club, The St. Regis Longboat Key Resort, St. Armand's Circle, and the cultural vibrancy of downtown Sarasota. With construction advancing and pricing evolving accordingly, this is a rare opportunity to secure a generational Gulf-front legacy estate at a pivotal stage. Longboat Key’s global recognition, including its inclusion among Forbes Travel Guide’s Top 12 Destinations, further underscores the enduring value of this extraordinary offering.

5965 Gulf Of Mexico Drive, Longboat Key

$475,000
2 Beds 2 Baths Gulfshore Of Longboat Key SubDv.
Island Living at Its Finest – Brand New Home on Longboat Key. Welcome to Gulfshore of Longboat, a highly desirable waterfront co-op community offering private beach access, boat docks, and sweeping views of the Gulf of Mexico and Sarasota Bay. This beautifully built 2-bedroom home combines modern efficiency with relaxed coastal living. An outdoor bathroom with a shower is a wonderful convenience for those enjoying the pool or boating. Step inside to an open, sun-filled floor plan featuring soaring ceilings with tray accents in both the living room and the primary bedroom, creating a bright, spacious atmosphere throughout. The kitchen is designed for everyday comfort and entertaining, complete with a center island, hardwood shaker cabinetry with soft-close doors and drawers, and a full stainless appliance package including refrigerator with ice and water, range, dishwasher, microwave, and garbage disposal. Built to current HUD hurricane standards and Energy Star certified, the home offers peace of mind with 2x6 construction, upgraded insulation, and low-E vinyl windows for year-round comfort and efficiency. Enjoy mornings at the private beach, afternoons at the heated pool, and evenings watching sunsets over the water. The community clubhouse hosts regular activities, making it easy to relax and connect with neighbors in a friendly coastal setting. Whether you’re looking for a winter retreat or full-time residence, this move-in-ready island home delivers comfort, security, and the lifestyle Longboat Key is known for. No pets (except for service animals or emotional support animals with appropriate paperwork) or Rentals permitted. Schedule your private showing today and start living the Gulf Coast dream.

3710 Gulf Of Mexico Drive Unit F2, Longboat Key

$2,900,000
3 Beds 5 Baths Longboat Key SubDv.
Pre-Construction. To be built. Build your dream waterfront home on North Longboat Key! Discover an exceptional opportunity to create your custom coastal retreat on this build-to-suit lot with 120 feet of waterfront frontage. The property is primed for development, with a permit filed and anticipated approval. Included in the price are complete architectural plans by Sweet Sparkman Architecture and Interiors, renowned for their innovative designs that harmonize modern luxury with beauty of Florida's coastal landscapes. The thoughtfully designed floor plan ensures a seamless flow for everyday living and entertaining, capturing breathtaking water views from key living areas. Whether you’re relaxing indoors or going out to enjoy the vibrant outdoor spaces, this home has been envisioned to maximize its unparalleled waterfront location. Key features include a new seawall in 2023 that provides a solid foundation for waterfront living. Deeded beach access, just a short distance away, offers private enjoyment of pristine sandy shores on Longboat Key. Boating enthusiasts will appreciate the ample frontage for a dock and boat, providing easy access to Sarasota Bay and beyond. On sought-after North Longboat Key, the property offers proximity to acclaimed restaurants like Shore, Whitney’s and Mar Vista, ensuring dining and entertainment are always nearby. This is your chance to bring a remarkable vision to life in one of Florida’s desired locations. Schedule your private showing today and imagine the possibilities.

720 Tarawitt Drive, Longboat Key

$13,995,000
4 Beds 5 Baths Sleepy Lagoon SubDv.
This Seaward Homes Curated Collection residence at 6489 Gulfside is ready for occupancy. Enjoy the ultimate Longboat Key lifestyle with your own direct Gulf-front private access and stunning views of the Gulf of Mexico. Designed by DSDG Architects, this home epitomizes exceptional quality and attention to detail. Come and witness the cutting edge of enhanced hurricane construction, wander and enjoy the exquisite staging by Clive Daneil Homes. Situated on a coveted 90' Gulf/Beach-front lot, the property offers soft sands, endless Gulf views, and miles of walkability. In 2025, Longboat Key completed a significant beach re-nourishment project, giving Gulfside Road homeowners one of the widest and deepest stretches of beach on the entire island. Equally notable, Gulfside Road is one of the rare Gulf-side streets set back from the main highway, offering a tranquil, private environment that feels worlds away from the activity of Gulf of Mexico Drive. The main house, elevated over 15 feet, features 11' ceilings, four oversized en-suite bedrooms, and more than 6,600 sq ft of air-conditioned living space, including a grade-level, air-conditioned multipurpose room that can be tailored for wellness, fitness, or a variety of additional lifestyle needs. The wide-open floor plan, generous room sizes, and large impact-rated safety glass sliding doors and windows fill the home with natural light. Two nearly 40' terraces on the main and second floors provide ideal spaces to enjoy the outdoor island lifestyle and breathtaking Gulf views. Interior finishes by Studio G Homes elevate luxury living to the next level. The interior finishes include large-format porcelain tile and hardwood flooring, Italian-imported cabinetry, a custom floating steel-and-wood staircase, a three-stop elevator, 8' solid interior doors, high-efficiency mechanical systems, a top-of-the-line Thermador™ appliance package, AXOR™ and Hansgrohe™ plumbing fixtures, temperature-controlled wine storage, and detailed AV, lighting control, and security systems. Exterior features include solid concrete and masonry construction on all floors, a deep concrete piling foundation for added strength, Longboard™ premium aluminum architectural details, and a fine light-sand exterior stucco finish. The resort-like pool area and custom spa are surrounded by a lush tropical landscape package. The garage accommodates four cars, with the option to add car lifts. Longboat Key, an 11-mile barrier island, is just minutes from St. Armands Circle and downtown Sarasota. The Sarasota Bradenton International Airport is approximately 25 minutes away. Embrace the opportunity to own this unparalleled residence and experience the pinnacle of coastal luxury living.

6489 Gulfside Road, Longboat Key

$2,850,000
4 Beds 5 Baths Sleepy Lagoon SubDv.
Virtually Staged. Under Construction. Under Construction. Pre-Construction | Custom Build | Water to Front & Rear A once-in-a-generation opportunity on one of Longboat Key's most extraordinary streets. Lyons Lane is a truly singular address — a quiet, private enclave in North Longboat Key where homes enjoy an exceptionally rare double-water setting, with sparkling canal frontage to the rear and serene, protected wetland and mangrove views to the front. This is island living at its most private and unspoiled. Design Your Dream Home The vision is still yours to shape. The buyer has the rare opportunity to work directly with the architect to customize the layout, finishes, and features of this brand-new custom home before it's complete. From floor plan adjustments to material selections, this is your chance to create a residence that is uniquely and entirely your own without the years of planning that a true ground-up build typically demands. The property sits on a prime lot with water on both sides; the property includes an existing pool ready to be incorporated into your design, along with a private boat dock and lift with direct access to Millar and Sarasota Bays and no fixed bridges to the Gulf of Mexico. For the boating enthusiast, it simply does not get better than this deep water access, protected dockage, and open water within minutes. Lyons Lane — Longboat's Best-Kept Secret Unlike any other street on the island, Lyons Lane offers homes on one side only, with lush native mangroves lining the opposite side — ensuring that your views, privacy, and natural surroundings will never be compromised. It is one of the few locations on Longboat Key where you can wake up to undisturbed natural beauty in every direction while remaining just moments from the finest dining, boutique shopping, and white-sand Gulf beaches the island has to offer. Longboat Key — Florida's Premier Barrier Island. Stretching 11 miles along Florida's Gulf Coast with over 25 miles of combined waterfront between the Gulf of Mexico and Sarasota Bay, Longboat Key is consistently ranked among the most desirable addresses in the country. The island attracts discerning buyers who demand privacy, natural beauty, and world-class amenities — including the legendary Longboat Key Club, with 45 holes of championship golf, a full-service deep-water marina, spa, and beach club. Opportunities like this — a custom home, double waterfront, dock and lift, and the freedom to personalize are extraordinarily rare on Longboat Key. Don't miss your chance to build exactly the island life you've always envisioned

640 Lyons Lane, Longboat Key

$2,400,000
2 Beds 3 Baths St. Regis Longboat Key SubDv.
Fractional Ownership. Fractional Ownership Opportunity at The St. Regis Longboat Key. Each purchase includes complimentary Resort Membership, valued at $125,000, along with the added benefit of no annual dues (a $14,000 value) and no minimum annual expenditure requirements. The Resort Membership can be enjoyed year-round, providing exceptional value and convenience to owners. For 2026, fee for each 30 day interset is $19,992. This comprehensive fee covers a wide range of services and expenses, including Condo fees, Property taxes, Utilities, Housekeeping services, Property management, Insurance, Furniture replacement reserve, and Maintenance reserve. This elegant and gracious two-bedroom St. Regis residence is owned by a limited liability company (LLC), offering a distinctive ownership structure where shares are allocated in 30 day segments. Prospective buyers have the opportunity to purchase one or more 30 day segments May through October, with each 30 day segment available at a price of $400,000. This condominium is designed with spacious rooms, expansive glass windows, and soaring ceilings that create an airy and inviting atmosphere. The gourmet kitchen is well-appointed with premium Wolf and Sub-Zero appliances, including a gas cooktop, double ovens, and a side-by-side refrigerator, making it ideal for culinary enthusiasts. The large owner's suite offers a luxurious primary bath featuring double vanities, a deep soaking tub, a frameless walk-in shower, and a private water closet. The residence is being sold fully furnished with pieces from Restoration Hardware. With walls of glass opening to the large wraparound private terrace, owners can host memorable gatherings with stylish furnishings, an outdoor gas grill, and offering stunning views of Sarasota Bayfront. Additional conveniences include a private two-car garage on the first level and easy access to a semi-private elevator that opens directly into the residence. Nestled within the first branded residential community and ultra-luxury five-star resort on the Gulf of Mexico, The Residences at The St. Regis Longboat Key combine legendary service with the tranquil allure of a secluded seaside getaway on Longboat Key, Florida. The community spans over 17 acres and boasts 800 feet of direct beachfront, offering residents an unparalleled lifestyle. Amenities include signature St. Regis Butler and Concierge services, a world-renowned St. Regis Spa, in-residence dining, a private resident-only pool and spa, a Clubhouse, a fitness center, and beachside cabanas. Experience the finest in fractional luxury living at The St. Regis Longboat Key.

1591 Gulf Of Mexico Drive Unit 512, Longboat Key

$12,850,000
3 Beds 4 Baths St Regis SubDv.
Experience unparalleled luxury with breathtaking views of the Gulf of Mexico in the Armand Building. This exceptional residence features an open-concept floorplan designed for entertaining, complete with floor-to-ceiling glass doors that lead to an expansive terrace outfitted with a built-in gas grill, perfect for seamless indoor-outdoor living. Ideal for multi-generational gatherings, the clubroom serves as a fantastic bonus space, featuring a wet bar equipped with an ice maker, bar sink, and wine fridge. The gourmet kitchen is a chef’s dream, showcasing top-of-the-line Wolf and Sub-Zero appliances, including a 6-burner gas cooktop, double ovens, and an integrated cabinet front side-by-side refrigerator/freezer. A semi-private elevator with keyless entry transports you directly from your private two-car garage to your residence. The owner’s suite offers a spacious walk-in closet, a luxurious soaking tub, a frameless walk-in shower, and dual vanities with separate water closets. Designed with technology-ready infrastructure, this home allows for easy customization of your automation preferences. Located within the first branded residential community and ultra-luxe 5-star resort hotel on the Gulf, The Residences at The St. Regis Longboat Key blend legendary service with the allure of a serene seaside retreat. Spanning over 17 acres with 800 feet of direct beachfront, residents can indulge in unparalleled amenities, including signature St. Regis Butler and Concierge services, a world-renowned spa, in-residence dining, a resident-only pool and spa, a private clubhouse, a fitness center, and beachside cabanas. Discover a life of luxury and leisure at The Residences at The St. Regis Longboat Key—where every day feels like a getaway. The owner will consider a lease purchase with acceptable terms on this residence.

1561 Gulf Of Mexico Drive Unit 403, Longboat Key

$4,439,000
2 Beds 3 Baths St Regis SubDv.
Discover an elegant and gracious two-bedroom residence featuring spacious rooms, expansive glass windows, and soaring ceilings that create an airy, inviting atmosphere. The well-appointed gourmet kitchen boasts top-of-the-line Wolf and Sub-Zero appliances, including a gas cooktop, double ovens, and a side-by-side refrigerator, perfect for culinary enthusiasts. Retreat to the large owner's suite, complete with a luxurious primary bath that features double vanities, a deep soaking tub, a frameless walk-in shower, and a private water closet. The residence is being sold furnished from Restoration Hardware. Host unforgettable gatherings on your terrace, equipped with an outdoor gas grill and views of Sarasota Bayfront. Residents will have the ease and convenience of a private 2-car garage on the first level with easy access to your semi-private elevator opening directly into your residence. Nestled within the first branded residential community and ultra-luxe 5-star resort on the Gulf of Mexico, The Residences at The St. Regis Longboat Key blend legendary service with the serene allure of a seaside getaway on the secluded barrier island of Longboat Key, FL. Spanning over 17 acres with 800 feet of direct beachfront, this community offers unparalleled amenities, including the signature St. Regis Butler and Concierge services, a world-renowned St. Regis Spa, in-residence dining, a private resident-only pool and spa, a Clubhouse, a fitness center, and beachside cabanas. Experience luxury living at its finest. Welcome home to The St. Regis Longboat Key. The owner will consider a lease purchase with acceptable terms on this residence.

1591 Gulf Of Mexico Drive Unit 413, Longboat Key

Start Your Search