lands for sale Monroe County, United States

Active Building Permit In Hand. Start building your Dream Home NOW! Here's your opportunity to own one of the premier dry lots available on Duck Key. Approved building plans available from the Seller. Optional membership is available at Club Duck Key, offering a heated and chilled swimming pool, tennis courts, pickleball, and a full calendar of social activities. The island also features two marinas providing fuel, watersports, and boating services. Golf cart-friendly Duck Key offers a relaxed, island lifestyle with unmatched convenience—don't miss this rare opportunity to build your dream home now!

An extraordinary opportunity to bring your dream waterfront estate to life in the prestigious community of Shark Key. This premier 18,750 sq ft lot comes with a coveted ROGO allocation already in place — saving you years of time and planning. Tucked away on the exclusive street of Sea Lore Lane, the property offers over 90 feet of pristine shoreline, delivering uninterrupted views and endless possibilities. Included with the sale are professionally designed architectural plans by Artibus Design for a stunning 5,565 sq ft modern coastal residence. The envisioned home features expansive glass walls, covered outdoor lounges, a sleek pool, and seamless indoor-outdoor flow — all designed to maximize the island lifestyle. This is not just a vacant lot — it's a fully imagined, shovel-ready blueprint for luxury living. Located in one of the Florida Keys' most exclusive gated communities, Shark Key offers residents a private beach, swimming lagoon, tennis and pickleball courts, and clubhouse — all just minutes from the vibrant energy of Key West. Don't miss this rare chance to build your coastal masterpiece with the hard part already done.

Newly Listed to the market for the first time in 34 years. This is truly a rare opportunity to own and build your Dream Home on one of the best Lots in all of Ocean Reef. The lot is 38,000 sq. ft. with 375' of Bay Water Frontage. Spectacular Florida Keys sunsets await you along with panoramic Card Sound Bay Views of the Angler's Club Marina, Card Sound Bridge, Pumpkin Key Island and W. Snapper Point. The Lot is located in a private setting at the end of the prestigious Card Sound Road on a Cul-De-Sac. The attached renderings features an 8,500 sq. ft. house under air with an Estate Driveway and a Courtyard Entrance. A perfect Legacy Property for years to come.

Investors and Builders! Rare offering in this oversized and cleared 75X102 lot ready to go into permitting. House plans will be included. Palm Drive leads straight to the direct ocean access homeowner's park ramp and dock. The lot is close to the gated ocean front homeowner's park, where you can launch a boat and enjoy fishing and snorkeling with direct quick access to Bay through Adams Cut, a few minutes' ride to the bay. Apply for a permit and build the home of your dreams without having to repair or remodel an existing home!

INVESTORS! Opportunity to own a contiguous Bay front buildable lot on the Florida Bay within an exclusive gated community in Stirrup Key, Marathon Florida Keys. Buyers to verify permit process or potential to create a ''tie in'' to the existing home on Lot 30. Possibilities are endless depending on your needs. Apply to build an accessory structure and purchase the bay home for a large family retreat. Add a pool and putting green to the single family home for more recreation. Tie in an accessory structure to the existing single family home on extra lot. Park your boat and launch your boat in the homeowner's park.

A rare opportunity to own a private island with 50 acres and only minutes from Key West. So many possibilities, build your own Equestrian Estate, ''The Southernmost stables''. This property is an excellent place to host large events like concerts, weddings, farm to table / wine tastings, or possibly therapeutic programs or retreats. Beautiful beach areas. Easy to get to, as the island has access to the mainland via a ½ mile land bridge. The property is also located next to one of the largest mega yacht marinas and close to two upscale hotels. The owners used to run a small farm, bee keeping, music events, and kids summer camps on the island. One of the few places with untouched nature left in the Florida Keys. The property is 50 acres of mangrove forest, beach berms, hammocks, upland to build your dream home with stables, and/or tennis court and more. 'I think having land and not ruining it is the most beautiful art that anybody could ever want to own.' – Andy Warhol

30 acres, two private islands on the gulf side of Saddlebunch Key. Not buildable, it can be used for private recreation, eco-preservation, or conservation. Listing includes parcel 00120060-000000 and parcel 00120080-000000. If you love nature, here's s your spot!

Build your dream home on the very desirable street of Harbor Island Drive. This 19,063 sq. ft. lot offers a rare opportunity to create the home you always wanted. Ideally located just steps from the Member's gym and Spa, this exceptional lot overlooks the greens on the 4th hole of the Hammock Course, offering both tranquility and convenience. This premier homesite includes county biologist approval for maximum buildable area within setbacks, updated survey, architectural plans, a letter of understanding and site conditions report stating no wetlands confirmed by the BioBenthic report. One of the few remaining gems in the Hammocks Area. This is an incredible opportunity that combines privacy, luxury, natural beauty, and an unbeatable location all within a short walk of the club's world-class amenities. Don't miss the chance to design and build your custom retreat in this exclusive enclave of Ocean Reef Club. Opportunities like this are few and far between!

An ultra-rare opportunity awaits on Big Pine Key. Spanning 2.29 acres with bay bottom and one-of-a-kind 35 by 70 foot saltwater tide pool, this remarkable parcel showcases panoramic open water views across Bogie Channel. A true sanctuary of privacy and natural beauty, the property sits at the end of a quiet street beside a peaceful County park, bordered further by county-owned land to the west and 1.25 acres of lush protected vegetation on-site. A former 2,700 square foot residence once occupied the site and was later demolished with a permit in 2021 after sustaining damage during Hurricane Irma. A ROGO Exemption Letter is in place, eliminating the wait to build. A single-family home permit application was submitted in 2022 and can potentially be reopened or transferred to a new owner with the County. The U.S. Army Corps of Engineers previously approved a 412-foot dock permit in 2019, offering tremendous potential for future dockage. Plans for a residence, ACOE documentation, and dock drawings (including a 16,000 lb boat lift) are available upon request. Zoned Improved Subdivision, one dwelling unit may be built with a twenty percent open space requirement. This rare acreage invites imagination, whether creating a luxury waterfront retreat, private family compound, or legacy estate to hold for generations. With unmatched open water views, bay bottom rights, ROGO exemption, and a location rarely offered, this is a blank canvas for an extraordinary Keys estate. A once-in-a-lifetime opportunity to build now and craft your vision on one of the most unique properties available in the Lower Keys.