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:
4/14/2026
Overview
Description
...
(Read more)
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.
Listing Details MLS# 617356
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
- City
- Big Pine
- Mile Marker
- 31
- Marathon Neighborhood
- N/A
- Side
- Bay/Gulf
- Flood Zone
- VE,AE
- Alternate Key #
- 1131423
- Parcel #
- 00110960-000000
- Zoning
- OTH - Other Zoning
- Deed Restrictions
- Unknown
- Legal
- 25 66 29 BIG PINE KEY FILLED BAY BTM ADJ BLK 51 SANDS SUB PB1-65 (II DEED 22579) OR369-618 OR421-700 OR470-215 OR974-788
- Taxes
- 4414.65
- Tax Year
- 2024
- Pub Sewer HkUp
- Yes
Contract Information
- Listing Board
- Key West Association
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
Association Info
- Mandatory Home Owners Asc
- No
- 1st Right of Refusal
- No
- Association Fee $
- 0
Building Style
- Above Flood
- Unknown
- Stories
- 3 Stories
- Other Bldg Style
- Yes
More Information
Remarks & Misc
- Remarks – Consumer
- 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.
- Directions
- On Big Pine Key, from Overseas Hwy, turn North on 1st Street. Turn right {East) on Ave I, continue to end
Fee Includes
- None
- Yes
Dockage
- Other Dockage
- Yes
Tax Exemptions
- None
- Yes
Appliances
- Dishwasher
- Yes
- Dryer
- Yes
- Ice Machine
- Yes
- Microwave
- Yes
- Range
- Yes
- Refrigerator
- Yes
- Washer
- Yes
Pets
- Pets Allowed
- Yes
Cooling
- Ceiling Fans(s)
- Yes
- Central Air
- Yes
Heating
- Central
- Yes
- Electric
- Yes
Waterfront
- Gulf Front
- Yes
Waterview
- Canal View
- Yes
- Ocean View
- Yes
Floor
- Concrete
- Yes
Interior Features
- Cathedral Ceilings
- Yes
- Walk-in Closet(s)
- Yes
- Other
- Yes
Security
- Other
- Yes
Construction
- Other
- Yes
Land Size
- Less Than 1/4 Acre
- Yes
Furnished
- Partially
- Yes
Terms
- Cash
- Yes
- Conventional
- Yes
- FHA
- Yes
- VA
- Yes
Utilities
- Other - See Remarks
- Yes
Porch/Balcony
- Open Porch/Balcony
- Yes
- Patio
- Yes
Exterior Features
- Storage
- Yes
Roof
- Concrete Roof
- Yes
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
| Room Name | Length | Level | Width | Remarks |
|---|---|---|---|---|
| Kitchen | 10.00 | Third | 18.00 | |
| Living Room | 18.00 | Third | 20.00 | |
| Bedroom 1 | 14.00 | Third | 21.00 | |
| Bedroom 1 | 11.00 | Second | 17.00 | |
| Bedroom 2 | 13.00 | Second | 21.00 | |
| Bedroom 3 | 15.00 | Third | 13.00 | |
| Bedroom 4 | 15.00 | Second | 13.00 | |
| Other Room | Second | great room |
Listing Office:
Flat Fee MLS Realty
Last Updated: April - 14 - 2026
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.
