3742 Seagrape Street, Big Pine Key, FL 33043

$5,390,000
3
BD
3
BA
4,687
SqFt

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List Price
$5,390,000
Days on Market
457
MLS#
A11877495
Bedrooms
3
Full Bathrooms
3
Sq. Ft
4,687
Subtype
Single Family Residence
County
Monroe
Subdivision
Port Pine Heights 2nd Add
Year Built
2014

Property Description

Escape to “The Castle”, a luxurious gated Gulf-front estate spanning 1.14 acres on Big Pine Key. Built in 2014 with poured concrete, impact windows/doors, elevator, and generator, this 4,600+ sq. ft. masterpiece offers 3 bedrooms, 3 baths, and breathtaking Gulf views. Boaters enjoy 235’ of dockage: 140’ protected canal dock with lift, ramp, and slip, plus 95’ open-water pier dock with lift and seawall. Inside, a chef’s kitchen with 10.5’ island, dual sinks, Jenn-Air gas range, and wood cabinetry flows to a grand family room, theater, and rooftop deck. The top-floor primary suite boasts water views, office, lounge, spa bath, and custom closet. Outside, a resort-style pool with spa, heater/chiller, and LED lighting completes this rare Florida Keys retreat.

Additional Information

Garage Spaces
4
Pets Allowed
No Pet Restrictions, Yes
Construction
Block
Cooling
Central Air
Flooring
Tile
Furnished
Negotiable
Heating
Central
Restrict
NoRestrictions
Roof
Concrete
Taxes
$28,079
Utilities
Cable Available
View
Bay, Water
Private Pool
Yes
Amenities
None
Waterfront
Bayfront, Canal Front, Ocean Access, Seawall
Stories
2
Acres
0.40
Price Per Sqft
$1,149
Elementary School
Sugarloaf
Middle School
Marathon
High School
Key West

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Listing courtesy of Ocean Sotheby's International. Contact:

All listings featuring the BMLS logo are provided by Beaches MLS Inc. Copyright 2026 Beaches MLS. This information is not verified for authenticity or accuracy and is not guaranteed. © 2026 Beaches Multiple Listing Service, Inc. All rights reserved.


Agent: Jo Ann Cook | Email: jcook@oceansir.com