3742 Seagrape St Big Pine, FL $ 6,450,000
3742 Seagrape St
$ 6,450,000
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3742 Seagrape St

Big Pine, FL, 33043
$ 6,450,000
Bedrooms3 Baths3.0 Sq 4,687

Monthly Estimate*

$ 40,240

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Single Family Home for sale in Big Pine, FL for $6,450,000 with 3 bedrooms and 3 full baths. This 4,687 square foot home was built in 2014.

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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Single Family Active

Price

$ 6,450,000

Bedrooms

3

Full Bath

3

Property Type

Single Family

Taxes

$ 28,079

Style

Year Built

2014

Town/City

Big Pine

County/Region

Monroe

MLS | Web ID

A11877495

Features
General
Sewer Public Sewer
Heating Central
Cooling Central Air
Utilities Cable Available
Possession Close Of Escrow
Roof Concrete
Appliances Dishwasher Electric Water Heater Disposal Microwave
Garage Spaces 4
Patio/Porch Features Balcony Open
Architectural Style Detached Two Story
Pool Features Concrete Heated In Ground Pool
Restrictions No Restrictions
Construction Materials Block
Pets Allowed No Pet Restrictions Yes
Year Built 2014
View Bay Water
Stories Count 2
Levels Two
Property Subtype Single Family Residence
Tax Year 2024
Waterfront Features Bayfront Canal Access Ocean Access Seawall
County Monroe
Property Type Residential
Subdivision Name PORT PINE HEIGHTS 2ND ADD
Facing Direction North
Garage Y/N true
Total Rooms 0
Full Baths 3
Status Active
Directions From US-1 right on Key Deer Blvd all the way to Kyle Blvd left onto Kyle left onto Sea Grape Street. Property is on right side with gated entry.
City Big Pine
Disclosures None
Senior Community Y/N false
Zoning Description SF
MLS Area 98 Florida Keys
Lot Size Units Square Feet
Lot Size Square Feet 17260
Carport Spaces 4
Carport Y/N true
Listing Terms Cash Conventional
Spa Features Gunite
Year Built Details Effective Year Built
Tax Annual Amount 28079
MLS Area Minor Other Geographic Area (Out Of Area Only)
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A11877495
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description BK 77 LOTS 3 AND 4 PORT PINE HEIGHTS 2ND ADD BIG PINE KEY PB4-167 AND ADJ FILL BAY BTM OR376-233 OR517-179 OR555-195D/C OR872-1053/1057 OR12
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Interior
Interior Amenities Built-in Features Closet Cabinetry Second Floor Entry Kitchen Island Main Level Primary Upper Level Primary Elevator
Flooring Tile
Furnished Y/N Negotiable
Air Conditioning Y/N true
Heating Y/N true
Window Features Impact Glass
Half Baths 0
Total Bedrooms 3
Total Baths 3
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Exterior
Exterior Amenities Balcony Security/High Impact Doors Lighting
Parking Features Attached Carport Circular Driveway Covered Driveway Golf Cart Garage Guest Other Paver Block
Lot Features 1-2 Acres
Water Source Public
Lot Size Area 17260
Foundation Details Raised
Spa true
Frontage Length 300
Waterfront Y/N true
Covered Spaces 8
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* Excluded Features
List By
Ocean Sotheby's International

Broker

JCook@oceansir.com

Email

Affordability Calculator

$42,580
Per Month
95%
5%
0%
Monthly Principal & Interest
$40,240
Monthly Property Taxes
$2,340
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
10/22/2025$6,450,000 Listed Price

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3742 Seagrape St, Big Pine, FL, 33043 is a Single Family Home for sale at $6,450,000 with 4,687 sqft. 3742 Seagrape St has 3 bedrooms, 3.0 baths, and was built in 2014. The property's zip code is 33043 which is in Big Pine, FL