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31449 Avenue I, Big Pine Key, FL 33043
$5,800,000
Property Type:
Residential
Bedrooms:
5
Baths:
4
Square Footage:
3,500
Lot Size (sq. ft.):
7,800
Status:
Active
Current Price:
$5,800,000
List Date:
11/18/2025
Last Modified:
11/20/2025
Description
Dolphinus del Sol is a Waterfront Estate Masterpiece! Enjoy this custom, ultra-modern smart home! This new construction, solid precast concrete home, offers unparalleled luxury, with vaulted ceilings, sleek contemporary lines, and expansive windows and doors showcasing breathtaking panoramic water views. Experience mesmerizing sun and moon rises over the water, views of distant islands, bridges, boats cruising by, sea life, etc. This tropical paradise features a boating canal and private dock, with vessel access to both the Gulf and the Atlantic Ocean. Bridge clearance is 11 ft. Entertain in style with the upper level, grand, open living room and kitchen area, which features soaring ceilings and walls of glass, with 8ft opening to the deck for al fresco dining. The sleek contemporary kitchen has a round porthole window. A mirror panel opens to a sliding appliance tray from the pantry. Black stainless steel smart appliances compliment the black, dazzling mirror fleck Silestone countertops. Floors throughout are custom designed, stained and sealed. The unique, curved wall master bedroom has a seating area by the glass doors, that open for a tropical breeze and a walk-in closet. The en suite master bath, is an expansive oasis featuring a jetted tub and 5 x 5 ft shower. The lower living level great room features a large theater/entertainment area with two walls of windows that have sweeping water views. This 3500 sq ft, 5 bedroom, 4 bath home also has outdoor space including two covered upper decks and a 500 sq ft ground level patio featuring sea life art. Also there is a garage and under house parking for up to 6 vehicles. The 2300 sq ft open waterfront area has ample space to add features overlooking the water. This construction exceeds 180 mph hurricane code. This is a solid, precast concrete panel construction, including the floors, roof and stairs. The poured concrete pilings go 9 ft below grade, 5 ft into caprock, connected with a 20 in deep grade beam.
More Information MLS# 617356
Contract Information
Current Price: $5,800,000
Listing Date: 2025-11-13
Listing Board: Key West Association
List Price: $5,800,000
Location Tax Legal
Street #: 31449
Street Name: Avenue I
Key/Island: Big Pine Key
State/Province: FL
Zip Code: 33043
County: Monroe
Subdivision: Sands Sub (31.0)
Area: 11 - Big Pine Key, No Name Key
General Property Description
Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 6
Pool: No
Year Built: 2025
Lot SqFt: 7800
Lot Sqft Source: Unknown
Acres: 0.18
Living Apx SqFt: 3500
SqFt Source: LA Measured
Total Bedrooms: 5
Full Baths: 4
Total Baths: 4
Rentals Allowed: With Restrictions
Min Rental Days: 28
Status Change Info
Status: Active
Association Info
Mandatory Home Owners Asc: No
1st Right of Refusal: No
Building Style
Above Flood: Unknown
Stories: 3 Stories
Property Features
Fee Includes: None
Tax Exemptions: None
Waterfront: Gulf Front
Waterview: Canal View; Ocean View
Dockage: Other Dockage
Building Style: Other Bldg Style
Furnished: Partially
Cooling: Ceiling Fans(s); Central Air
Heating: Central; Electric
Utilities: Other - See Remarks
Interior Features: Cathedral Ceilings; Walk-in Closet(s); Other
Appliances: Dishwasher; Dryer; Ice Machine; Microwave; Range; Refrigerator; Washer
Exterior Features: Storage
Construction: Other
Floor: Concrete
Roof: Concrete Roof
Pets: Pets Allowed
Security: Other
Land Size: Less Than 1/4 Acre
Terms: Cash; Conventional; FHA; VA
Room Information
Kitchen
Length: 10.00
Level: Third
Length: 10.00
Width: 18.00
Width: 18.00
Living Room
Length: 18.00
Level: Third
Length: 18.00
Width: 20.00
Width: 20.00
Bedroom 1
Length: 14.00
Level: Third
Length: 14.00
Width: 21.00
Width: 21.00
Bedroom 1
Length: 11.00
Level: Second
Length: 11.00
Width: 17.00
Width: 17.00
Bedroom 2
Length: 13.00
Level: Second
Length: 13.00
Width: 21.00
Width: 21.00
Bedroom 3
Length: 15.00
Level: Third
Length: 15.00
Width: 13.00
Width: 13.00
Bedroom 4
Length: 15.00
Level: Second
Length: 15.00
Width: 13.00
Width: 13.00
Other Room
Level: Second
Remarks: great room
Listing Office: Flat Fee MLS Realty
Last Updated: November - 20 - 2025
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.
