Residential Property - Single Family Residence in Longboat Key
Listing Price: $11,900,000 (Mortgage Calculator →)
Description of Property
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.









Property Details At A Glance
Property Type: Residential
Property Use or Sub Type: Single Family Residence
City: Longboat Key
County: Sarasota
Subdivision: Bay Isles
Bedrooms: 5
Bathrooms: 5
Half Baths: 1
Sq. Ft. Gross: 9,973
Sq. Ft. Living Area: 5,689
Cost per (heated) sqare foot: $2,092
Year built: 2026
Annual Tax: $24,527
HOA Fee: $9,500 Annually
Taxes and fees can change periodically, and other fees may apply. Please check with your Suncoasteam agent for more details.
- Private Road
Appliances: Washer
Fireplace: Yes
Fireplace Features: Electric
Additional Rooms: Den/Library/Office
Flooring: Hardwood
Schools
Elementary School: Southside Elementary
Pool & Waterfront Info
Private Pool: Yes
Pool Features: Salt Water
Spa Features: In Ground
Water Front: Yes
Water Frontage: Canal - Saltwater
Water Access: Yes
Water Access Type: Canal - Saltwater
Exterior & Construction
Construction: Block
Foundation: Slab
Roof: Metal
Exterior Features: Sliding Doors
Garage: Yes
Garage Spaces: 4
Floors in Unit: Three Or More
Cooling: Central Air
Heating & Fuel: Electric
View: Water
Sewer: Public Sewer
Water Source: Public
Community Features: Sidewalks
Association Amenities: Gated
Lot Information
Lot Features: Sidewalk
Lot Size (acres): 0.41
Lot Size (sq. ft.): 18,043 square feet
Road Frontage: Private Road
Front Exposure: West
Legal Description & Other Information
Parcel Number: 0008150012
Pets Allowed/Pet Policies: Yes
New Construction: Yes
Tax Legal Desc.: LOT 12 BAY ISLES UNIT 1
Listing courtesy of COLDWELL BANKER REALTY. The information relating to real estate for sale on this website comes in part from the My Florida Regional MLS DBA Stellar MLS. This information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS.