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3742 Seagrape, Big Pine Key, FL 33043

Big Pine Key
Local realty services provided by:CENTURY 21 Move With Us
3742 Seagrape,Big Pine Key, FL 33043
$4,650,000
Virtual Tour
  • 3 Beds
  • 3 Baths
  • 4,687 sq. ft.
  • Single family
  • Active
Listed by: jo ann cook
Office: ocean sotheby's international
MLS#:A11877495
Source:FL_RAMC

Price summary

  • Price:$4,650,000
  • Price per sq. ft.:$992.11

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
  • Subdivision & Development:PORT PINE HEIGHTS 2ND ADD
  • Listing ID #:A11877495
  • Added:57 day(s) ago
  • Updated:October 28, 2026 at 03:34 PM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:3
  • Full bathrooms:3
  • Kitchen Description:Dishwasher, Disposal, Kitchen Island, Microwave
  • Bedroom Description:Closet Cabinetry
  • Living area:4,687 sq. ft.

Heating and cooling

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

Structure and exterior

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

Utilities

  • Water:Public Water, Water Available, Water Connected
  • Sewer:Public Sewer, Sewer Available

Finances and disclosures

  • Price:$4,650,000
  • Price per sq. ft.:$992.11
  • Tax amount:$28,079 (2024)

Features and amenities

  • Appliances:Dishwasher, Disposal, Microwave, Some Electric Appliances, Water Heater
  • Amenities:Closet Cabinetry
  • Pool features:Concrete, Heated, In Ground

Parking

  • Total parking spaces:4
  • Parking description:Attached Carport, Circular Driveway, Covered, Driveway, Golf Cart Garage, Guest
MLS LogoThe data relating to real estate for sale on this web site comes in part from a cooperative data exchange program of the Realtor<REGISTERED_LOGO> Association of Martin County, Inc. MLS. Real estate listings held by brokerage firms other than CENTURY 21 Move With Us are marked with the IDX logo (Broker Reciprocity) or name and detailed information about such listings includes the name of the listing brokers. Data provided is deemed reliable but is not guaranteed.

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