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5 Beds
4 Baths
3,500 sqft

$4,850,000

31449 Avenue I, Big Pine Key FL, 33043

Price per sqft$1,385.71
Built in2025
Property size3,500 sqft
Property typeResidential

Overview

Active

Listed Nov 18, 2025

Updated 1h ago

Waterfront views of mesmerizing sunrises and moonrises. Imagine having your own private dock on the canal, with vessel access to the Gulf and Atlantic Ocean. Fishermen, bridge clearance is 11 ft. Dolphinus del Sol is a waterfront estate masterpiece! Sit back and enjoy a cutting-edge, voice-activated, smart home. This new construction, solid precast concrete home, features vaulted ceilings, sleek contemporary lines, and expansive windows showcasing panoramic water views. View distant islands, bridges, boats cruising by, sea life. Entertain in style with the upper level, grand open living room and kitchen area which features soaring ceilings and walls of glass, with 8 ft opening to the deck. The sleek contemporary kitchen has black stainless steel smart appliances and black, dazzling mirror-fleck countertops. A mirror door reveals a sliding appliance tray from the pantry. In the master bedroom relax on the settee sipping coffee topped with crème de la crème views and a tropical breeze. The en-suite master bath, is an expansive oasis. Chill out in the jetted, heated tub, soaking in the views. Elevated ceilings, a 5'x5' shower and floating double vanity offers room to breathe. The lower living level great room features a large theater/entertainment area. Marvel at the sweeping waterfront views. Stained floors throughout mimic flowing marbled stone. This 3500 sq ft, 5 bedroom, 4 bath home has outdoor space on two upper decks and a 500 sq ft ground-level patio featuring sea life art. Park up to 6 vehicles under the house or utilize the locking garage. The 2300 sq ft 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: walls, 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. Tour this amazing fortress!

$32,267/mo

Est. mortgage payment based on a $4,850,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
617356

Interior Features

Bedrooms
5
Bathrooms
4
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.18 Acres

Other Property Details

Taxes
$4,415
Tax Frequency
Annually
View
Yes
Pets Allowed
Yes
Waterfront
Yes
MLS provider logo

Listed by Stephen Hachey with Flat Fee MLS Realty
Listing Contact: 813-642-6030 

The IDX display contains information sourced from the Florida Keys Board of REALTORS® as of 10/28/2026. This data is intended solely for personal, non-commercial use and is not to be utilized for any other purposes except to identify potential properties for purchase. Although the MLS data displayed is typically considered reliable, it is not guaranteed to be accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and are advised to conduct their own investigations or seek professional assistance. Other sources besides the Listing Agent may have contributed to the MLS data presented. Unless expressly specified in writing, the Broker/Agent has not confirmed any information obtained from external sources. The Broker/Agent may or may not have acted as the Listing and/or Selling Agent and cannot guarantee the accuracy of property locations displayed on any map. Any compensation offers are solely made to participants of the MLS where the listing is registered.

©2026 Florida Keys Board of REALTORS® all rights reserved.

Data last updated on 10/28/2026 at 3:39 AM UTC

 

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