3742 Seagrape Street, Big Pine Key, FL 33043

Big Pine Key
Local realty services provided by:Atlantic Shores Realty Expertise ERA Powered
3742 Seagrape Street,Big Pine Key, FL 33043
$5,390,000
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  • 3 Beds
  • 3 Baths
  • 4,687 sq. ft.
  • Single family
  • Active
Listed by: jo ann cook
Office: ocean sotheby's international
MLS#:A11877495
Source:RMLS

Price summary

  • Price:$5,390,000
  • Price per sq. ft.:$1,149.99

About this home

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.

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Home facts

  • Year built:2014
  • Listing ID #:A11877495
  • Added:23 day(s) ago
  • Updated:June 15, 2026 at 02:45 PM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:3
  • Full bathrooms:3
  • Flooring:Tile
  • Kitchen Description:Dishwasher, Disposal, Microwave
  • Living area:4,687 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Central
  • Central air:Yes

Structure and exterior

  • Roof:Concrete
  • Year built:2014
  • Building area:4,687 sq. ft.
  • Construction Materials:Block
  • Exterior Features:Lighting, Open

Schools

  • High school:Key West
  • Middle school:Marathon
  • Elementary school:Sugarloaf

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$5,390,000
  • Price per sq. ft.:$1,149.99
  • Tax amount:$28,079 (2024)

Features and amenities

  • Appliances:Dishwasher, Disposal, Microwave
  • Pool features:Concrete, Heated, In Ground

Parking

  • Parking description:Attached Carport, Circular Driveway, Covered, Driveway, Golf Cart Garage, Guest, Paver Block
  • Garage:Yes
  • Garage spaces:4
  • Carport spaces:4
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