Monroe County, FL Waterfront Land for Sale

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171 properties

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Updated: Aug 24

Waterfront Commercial Land

21423 Overseas Highway, Cudjoe Key, FL 33042

$1,250,000

1,250 sqft 0.87 AC lot

3 parcels totaling more than 3 acres, including submerged baybottom areas
Approximately 37,748 sf. or .87 Acres of useable uplands
About 200' of highway frontage by 190' deep
1,250 sf. CBS building constructed in 1980
SC - Sub Urban Commercial zoning with multiple commercial uses allowed and possible

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Updated: Jun 15

Triplex and Adjacent Multifamily Lot

127 & 121 Monroe Drive, Plantation Key, FL 33070

$2,899,000

2,409 sqft 0.34 AC lot

Concrete triplex at 127 Monroe Dr built in 1972: about 2,400 sq ft on a 7,500 sq ft lot with 3 rental units (1/1, 1/1, 2/2).
Each unit includes full kitchen(s) and bath(s); interiors feature tile and laminate flooring.
On‑site parking includes open spaces and RV parking, plus a patio for outdoor living.
Ductless HVAC system (ductless heating and cooling); appliances include washer, dryer, dishwasher, refrigerator, oven, and microwave.
Dock electric upgraded in 2025 with dedicated meter(s) for dock power (one on each property).

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Oceanfront Multifamily Compound

34 Atlantic Drive, Key Largo, FL 33037

$2,890,000

3,112 sqft 0.98 AC lot

Two separate residences offer direct ocean access, private outdoor amenities, and flexible space for extended living or guests.

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See what stands out in Monroe County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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Waterfront Commercial Asset with Redevelopment Potential

74560 Overseas Highway, Islamorada, FL 33036

$3,300,000

6,071 sqft 0.34 AC lot

Waterfront commercial property with redevelopment and multiple revenue paths.

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Waterfront Duplex with Buildable Lot

Big Pine Key, FL 33043

$1,099,000

1,888 sqft 0.33 AC lot

Duplex property offers direct waterfront access plus an additional buildable vacant lot on deep, clean canals.

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Waterfront Mixed-Use Property

Islamorada, FL 33036

$3,300,000

6,071 sqft 0.35 AC lot

Oceanfront commercial property with marine access, wraparound windows, and space for residential and business uses.

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Waterfront Land with Dockage

Islamorada, FL 33036

$995,000

0.31 AC lot

Commercial parcel offers canal frontage, open-ocean views, and direct water access.

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Waterfront Marina and Commercial Dockage

522 Caribbean Drive, Key Largo, FL 33037

$5,200,000

5,508 sqft 1.42 AC lot

Deep-water dockage with direct ocean access and a commercially zoned concrete building on a sizable waterfront site.

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Canal-Front Duplex with Dockage

29678 Enterprise Avenue, Big Pine Key, FL 33043

$1,295,000

1,820 sqft 0.17 AC lot

Stilted two-unit property with updated finishes, a metal roof, and direct access to a wide boating canal.

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Waterfront Land With Dockage

24774 Overseas Highway, Summerland Key, FL 33042

$899,000

0.28 AC lot

The parcel carries SC - Sub Urban Commercial zoning and includes concrete dockage.

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Oceanfront Waterfront Land Parcel

94 Sunrise Drive, Marathon, FL 33050

$2,899,000

0.92 AC lot

Ocean- and canal-front lot in a gated community with extensive beach frontage and potential for dockage on two sides.

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Waterfront Commercial Land

24764 Overseas Highway, Summerland Key, FL 33042

$899,000

0.28 AC lot

SC-zoned waterfront parcel with Overseas Highway exposure and a concrete dock offering direct deep-water boating access.

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Waterfront Duplex with Pool

303 Sombrero Beach Road, Marathon, FL 33050

$1,549,000

2,114 sqft 0.25 AC lot

Stilted two-unit property with a private pool, dockage, garages, and water views.

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Oceanfront Marina and Land

13900 Overseas Hwy, Marathon, FL 33050

$12,900,000

300 sqft 20.00 AC lot

Ocean-side marina and storage property on a highway corridor, offered as a redevelopment opportunity for a new operator.

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Direct Oceanfront Residential Land Lot

229 Coral Road, Plantation Key, FL 33036

$1,595,000

0.48 AC lot

Direct oceanfront homesite with an active building permit and permits addressing mangrove height limits.

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Updated Waterfront Half-Duplex

17 Manowar Drive, Marathon, FL 33050

$675,000

834 sqft 0.08 AC lot

Two-bedroom waterfront residence with a private dock, seawall, and refreshed interior finishes.

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Canal-Front Residential Land with Dock

16841 Driftwood Lane, Sugarloaf Key, FL 33042

$599,000

0.27 AC lot

Buildable canal-front lot with an approved 70-foot concrete dock for boating access to open water.

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Canal-Front Vacant Land with Permits

28587 Peg Leg Road, Little Torch Key, FL 33042

$595,000

0.14 AC lot

Vacant waterfront lot with a building permit in process and complete dock and residential architectural plans included.

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Waterfront Land with 100-Foot Dockage

Islamorada, FL 33036

$995,000

0.31 AC lot

Waterfront commercial parcel with canal frontage, open ocean views, and substantial dockage for boating-focused businesses.

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Canal-Front Waterfront Building Site

28597 Peg Leg Road, Little Torch Key, FL 33042

$595,000

0.16 AC lot

Corner lot waterfront land with open water views and active permits for a custom residence and dock.

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Waterfront Development Lot with Permit

5 Stillwright Way, Key Largo, FL 33037

$1,250,000

0.17 AC lot

Waterfront land with an active building permit, wide canal frontage, and immediate Florida Bay access for docked boating.

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Commercial Waterfront Land

29517 Big Pine Street, Big Pine Key, FL 33043

$400,000

0.14 AC lot

CFA-zoned waterfront parcel with canal access and an existing trailer for commercial fishing or marine operations.

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Waterfront Land with Approved Plans

30988 Witters Lane, Big Pine Key, FL 33043

$895,000

14,746.00 AC lot

Bay-front open-water lot with approved plans, active building permits, and boating access with Gulf and Atlantic connectivity.

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Waterfront Buildable Land Lot

5 Stillwright Way, Key Largo, FL 33037

$1,250,000

0.17 AC lot

Waterfront lot in an improved subdivision with an active building permit and access to Florida Bay via canal.

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Monroe County, FL Waterfront Land Market Trends and Statistics

Explore 171 waterfront land for sale in Monroe County, FL, showcased through 171 active listings on our real estate platform. These investment opportunities span a total of 2,154,504,452 square feet of properties for sale, with an estimated market value of $370,772,297.

Sale prices for water rights properties in Monroe County, FL start at $75,000, averaging $2,193,918, and reaching up to $18,000,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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