Monroe County, FL Multifamily Properties for Sale

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Updated: Aug 3

Updated Triplex with Parking

10833 2nd Avenue Gulf, Marathon, FL 33050

$979,000

2,111 sqft 0.10 AC lot

Three‑unit configuration with two 2BR/1BA apartments and one efficiency unit
2,111 square feet on 0.1 acres
All three units are currently leased on month‑to‑month leases
RM - Residential Medium zoning
On‑site parking and concrete construction

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This listing looks promising.

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10833 2nd Avenue Gulf, Marathon, FL 33050

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Est. Cap Rate

3.6%
NOI ÷ price
Est. NOI

$35K
Annual
Price @ 7% Cap

$505K
Suggested
Property Type

Multi-Family Dwellings
Built 1959

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Updated: Aug 12

Waterfront Short-Term Rental Property

219 Sombrero Beach Road, Marathon, FL 33050

$1,439,000

1,840 sqft 0.16 AC lot

1,840‑square‑foot waterfront property with four bedrooms and three bathrooms
31 feet of private dockage near Sombrero Beach
Private pool with patio, deck, porch, and cabana‑style outdoor area
RM - Residential Medium zoning
Built in 2017 with central heating and central air

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Canal-Front Duplex with Two Entrances

31032 Hollerich Drive, Big Pine Key, FL 33043

$899,000

1,460 sqft 0.12 AC lot

Waterfront duplex with two 2BR/1BA units, private entrances, updated kitchens, renovated baths, and canal-front outdoor space.

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Waterfront Duplex with Boat Lift

139 Marina Avenue, Key Largo, FL 33037

$2,750,000

2,485 sqft 0.21 AC lot

Renovated two-unit waterfront property with private pool, dock, gated access, and separate utility meters.

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Private Island Mixed-Use Development

62250 Overseas Highway, #11, Conch Key, FL 33050

$5,750,000

2,478 sqft 3.74 AC lot

Private island in the Florida Keys with MU zoning, deep-water access, concrete seawall, and transient licensed entitlements.

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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 with three rental units plus an adjacent multifamily lot, offering expansion flexibility with on-site parking and outdoor space.

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Oceanfront Short-Term Rental Property

16 Seaside Avenue, Key Largo, FL 33037

$11,750,000

6,585 sqft 0.14 AC lot

Oceanfront residence with private dockage, pool, elevator, and eligibility for seven-day vacation rentals.

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Waterfront Duplex with Private Pool

241 Sombrero Beach Road, Marathon, FL 33050

$1,400,000

1,840 sqft 0.17 AC lot

RM-zoned waterfront property with a private dock, direct ocean access, and a fenced tropical outdoor area.

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Apartment Building with Off-Street Parking

912 Pohalski Street, Key West, FL 33040

$2,250,000

3,876 sqft

Six-unit apartment building with off-street parking and separate electric and water meters for each apartment.

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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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Renovated Duplex

1126 Grinnell Street, Key West, FL 33040

$1,195,000

875 sqft 0.03 AC lot

Two independent one-bedroom residences share a private yard and updated kitchens within HNC(1-3) zoning.

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Waterfront Mixed-Use Marina Property

74560 Overseas Highway, Islamorada, FL 33036

$3,300,000

6,071 sqft 0.34 AC lot

Waterfront asset with a seawall for up to eight slips and zoning for income-generating residential units plus commercial space.

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Six-Unit Multifamily Building

912 Pohalski Street, Key West, FL 33040

$2,250,000

3,876 sqft 0.08 AC lot

Six legal apartments feature separate electric and water meters, with off-street parking for residents.

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Six-Unit Multifamily Property

912 Pohalski Street, Key West, FL 33040

$2,250,000

3,876 sqft 0.08 AC lot

Six legal apartments total 10 bedrooms and 6 baths with off-street parking and separate electric and water meters.

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Waterfront Resort With Private Marina

101910 Overseas Hwy, Key Largo, FL 33037

$12,900,000

16,840 sqft

Waterfront resort featuring guest accommodations, swimming pools, private beach access, and direct bay access.

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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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Fully Renovated Duplex Income Property

1018 Georgia St, Key West, FL 33040

$999,999

1,452 sqft

Turnkey, renovated duplex with separate electric and two downstairs lockout units plus an occupied upstairs unit.

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Canal-Front Duplex with Private Dockage

126 N Indies Drive, Duck Key, FL 33050

$1,875,000

2,544 sqft 0.18 AC lot

Canal-front duplex on Duck Key with two side-by-side units, private balcony, in-unit washer and dryer, and new dockage.

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Residential Income

13-127 Monroe Dr, Tavernier, FL 33070

$2,899,000

2,409 sqft

Triplexes · 2,409 SF

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Quadplex with Major Capital Improvements

1224 2nd Street, Key West, FL 33040

$1,700,000

3,000 sqft 0.16 AC lot

Four two-bedroom residences in a 3,000 SF quadplex with a new metal roof and impact-resistant windows and doors.

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RV Park Rental Lot

58-325 Calusa St, Key Largo, FL 33037

$390,000

0.04 AC lot

Fully set-up rental lot in Calusa Campground with a trailer sleeping up to 10 and resort-style community amenities.

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Half Duplex with Dockage for Short-Term Rentals

150 E 63rd Street Ocean, Marathon, FL 33050

$895,000

1,378 sqft 0.09 AC lot

Turnkey, fully renovated three-bedroom half duplex with direct ocean dockage and RM residential medium zoning.

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Large Home with Potential

530 White Street, Key West, FL 33040

$1,890,000

0.17 AC lot

Triplex with large yard and renovation potential in Key West.

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Duplex with Private Pool

1516 17th Terrace, Key West, FL 33040

$1,875,000

2,423 sqft 0.30 AC lot

Corner duplex with a detached guest cottage, fenced grounds, covered parking, and a private pool.

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Monroe County, FL Multifamily Properties Market Trends and Statistics

Explore 115 multifamily properties for sale in Monroe County, FL, showcased through 115 active listings on our real estate platform. These investment opportunities span a total of 223,953 square feet of properties for sale, with an estimated market value of $228,993,888.

Sale prices for multifamily properties in Monroe County, FL start at $150,000, averaging $2,223,241, and reaching up to $12,900,000 — 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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