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Active - House for sale
3742 Seagrape St, Big Pine FL 33043, Big Pine Key, FL
Facts & features
Why you’ll love it
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.
Listings courtesy of Ocean Sotheby's International.
Listed by: Jo Ann Cook • 305-360-7968 • Ocean Sotheby's International
Co-listed by: Ocean Sotheby's International
Source: Miami MLS, MLS#: A11877495
Based on info available as of Nov 12, 2026 at 7:10 PM EST.
Come see by yourself
Affordability
$25,853/mo
- Mortgage$23,513
- Property tax$2,340
- HOA fee
- Homeowners insurance
Beycome estimates only. Actual amounts and terms vary by lender and location.
$93,000 Credit back
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Travel times
About Port Pine Heights 2Nd Add
This local overview has been generated by Artur AI, for informational purposes only. Please verify all details independently before relying on it.
Flood & climate risk
FEMA Flood Zone VE
In a FEMA Special Flood Hazard Area — flood insurance is typically required with a federally-backed mortgage.
More details
Base flood elevation: 11 ft. Source: FEMA National Flood Hazard Layer. Confirm on the FEMA Flood Map.
Fire
Storm
Air quality
Pollen
Disclaimer
No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements.
Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions.
Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided.
Copyright ©2026.
Based on information as of Nov 12, 2026 at 07:10pm EST.
Make a winning offer, and get up to
$93,000 Credit back
