Price Check
How this price compares
- List price
- $4,650,000
- Price per sq ft
- $992
- Original price
- $6,450,000
- Days on market
- 513
This 3-bedroom single-family home in Port Pine Heights 2nd Add is listed at $4,650,000, or $992 per square foot. The asking price has come down 27.9% from its original $6,450,000. It has been on the market for 513 days.
Estimated monthly payment
$24,438 /mo
Principal and interest only, based on $930,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.
Customize this estimateListing Snapshot
- Price
- $4,650,000
- Days on Site
- 513 Days
- Bedrooms
- 3
- Total Baths
- 3
- Full Baths
- 3
- Partial Baths
- 0
- Living Area
- 4,687 sqft
- Lot Size
- 0.4 Acres
- Year Built
- 2014
- Property Type
- Single Family
- MLS #
- A11877495
- Property Tax
- $28,079 (2024)
- Subdivision
- PORT PINE HEIGHTS 2ND ADD
- County
- Monroe
- Status
- Active
About This Property
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.
MLS media linkGeneral Features
- Property Type
- Single Family
- Status
- Active
- Year Built
- 2014
- Number of Stories
- 2
- Levels
- Two
- Garage Spaces
- 4
- Parking
- Attached Carport / Circular Driveway / Covered / Carport / Driveway / Golf Cart Garage / Guest / Paver Block
- Direction Faces
- North
- Lot Size (Acres)
- 0.4
- Living Sq Ft
- 4,687
- Sewer
- Public Sewer
- Water Source
- Public
- Zoning
- SF
Interior Features
- Appliances
- Dishwasher / Electric Water Heater / Disposal / Microwave
- Cooling
- Central Air
- Heating
- Central
- Flooring
- Tile
- Spa
- Yes
- Spa Features
- Gunite
- Interior Features
- Built In Features / Bathtub / Closet Cabinetry / Elevator / Kitchen Island / Main Level Primary / Multiple En Suite Bathrooms / Soaking Tub / Separate Shower / Upper Level Primary
- Furnished
- Negotiable
Exterior Features
- Construction
- Block
- Roof
- Concrete
- Exterior Features
- Balcony / Lighting / Outdoor Living Area
- Private Pool
- Yes
- Pool Features
- Concrete / Heated / In Ground
- Patio & Porch
- Open / Balcony
- Lot Features
- One To Two Acres
- Waterfront
- Yes
- Waterfront Features
- Bayfront / Canal Front / Ocean Access / Seawall
- Frontage
- Waterfront
- Frontage Length
- 300.00 ft
- View
- Bay / Water
Community & HOA
- Association Amenities
- None
- Utilities
- Cable Available
- Pets Allowed
- No Pet Restrictions / Yes
- Financing Terms
- Cash / Conventional
- Restrictions
- No Restrictions
- MLS Area
- 5940 - Other Florida County
Schools
- Elementary School
- Sugarloaf
- Middle School
- Marathon
- High School
- Key West
About the Community
- Homes for Sale
- 1
- Under Contract
- 0
- Median List Price
- $4,650,000
- Median $/Sq Ft
- $992
- Avg Days on Market
- 513
Frequently Asked Questions
- How do I schedule a tour of 3742 Seagrape Street, Big Pine Key, FL 33043?
- Use the Tour button on this listing to request a showing of 3742 Seagrape Street, Big Pine Key, FL 33043. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
- Is 3742 Seagrape Street, Big Pine Key, FL 33043 still available?
- 3742 Seagrape Street, Big Pine Key, FL 33043 is currently listed as Active, and has been on the market 513 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
- How much is the monthly payment for 3742 Seagrape Street, Big Pine Key, FL 33043?
- With 20% down ($930,000) on the $4,650,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 3742 Seagrape Street, Big Pine Key, FL 33043 is about $24,438/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
- How do I get pre-approved to buy 3742 Seagrape Street, Big Pine Key, FL 33043?
- Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 3742 Seagrape Street, Big Pine Key, FL 33043. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
- What schools serve 3742 Seagrape Street, Big Pine Key, FL 33043?
- 3742 Seagrape Street, Big Pine Key, FL 33043 is zoned for Sugarloaf (elementary), Marathon (middle), Key West (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
- Can I negotiate the price of 3742 Seagrape Street, Big Pine Key, FL 33043?
- Often, yes. The right offer on 3742 Seagrape Street, Big Pine Key, FL 33043 depends on how it's priced against comparable single family sales in Big Pine Key, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.
Listing courtesy of Ocean Sotheby's International
Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated June 25, 2026.
$4,650,000
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Listed by Jo Ann Cook, Ocean Sotheby's International
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