Duck Key

Duck Key is a luxury waterfront community of single family homes, condos, and townhomes in Marathon, Florida, with a range of options priced between $585,000 and $3,000,000. There are currently a total of 12 homes for sale in Duck Key. The smallest Duck Key home presently available is a three bedroom three bathroom residence that is 900 square feet (780SF Under Air living space), and the largest of the Duck Key homes currently on the market has four beds and four baths and is a 7,703 square foot (2,640SF Under Air) residence.

Duck Key amenities include a clubhouse, swimming pool, spa / hot tub, and laundry facilities. Sports facilities include tennis courts, and pickleball courts.

Boating enthusiasts will love the fact that the community has boat facilities including. There is also a playground, walking or jogging trails, as well as private beach access.

Pets are allowed in Duck Key although there are some restrictions.

There is also a subdivision within Duck Key that is called Hawks Cay.

Duck Key real estate activity on the Marathon MLS during the past year (as of February 2026) reflects four homes changing hands, with an average asking price of $805,725 and an average selling price of $751,250. This represents a healthy list-to-sell price ratio of 93% and $510 per square foot. During this period, Duck Key homes for sale have taken an average of 140 days to sell.

In addition, there are numerous other communities in Marathon to choose from, or you may browse all available Marathon Real Estate, including some new construction opportunities. Homes for sale in Duck Key are selling quickly. Set up a new listing alert, and we will notify you immediately when a new waterfront home in Duck Key hits the market. You can also always contact your ZFC Real Estate agent, who would happily assist you further with all your Florida real estate needs.

Duck Key Homes For Sale

$3 Million

MLS#AX-11915619

232 W Seaview Dr
Duck, FL 33050

3

3

4,568 SqFt

Ocean Access

0.198 Acres

99 Days

$1,650,000

MLS#FX-10530457

239 W Seaview Drive, Duck Key, Fl 33050
Marathon, FL 33050

3

4

2,640 SqFt

Pool

140 Days

Reduced

$1,459,000

$1,499,000

MLS#MFRNS1087109

227 Corsair Rd
Marathon, FL 33050

4

3

7,703 SqFt

Pool

0.18 Acres

33 Days

$950,000

Hawks Cay

7073 Hawks Cay Blvd, Duck Key, Fl 33050
Marathon, FL 33050

3

3

1,948 SqFt

Water Front

0.03 Acres

356 Days

Reduced

$699,900

$735,000

Hawks Cay

7051 Harbor Village Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

2

1,315 SqFt

Intracoastal Waterway

0.02 Acres

294 Days

Reduced

$680,000

$715,000

Hawks Cay

7041 Harbor Village Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

3

1,315 SqFt

Water Front

0.03 Acres

293 Days

Reduced

$659,000

$699,000

Hawks Cay

7031 Harbor Village Drive 7031, Duck Key, Fl 33050
Marathon, FL 33050

2

2

900 SqFt

Water Front

0.03 Acres

242 Days

$655,000

Hawks Cay

5022 Sunset Village Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

2

1,311 SqFt

Ocean Front

0.02 Acres

34 Days

Reduced

$649,000

$675,000

Hawks Cay

2002 Marina Villa Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

2

1,121 SqFt

Ocean Front

0.02 Acres

328 Days

$640,000

Hawks Cay

5081 Sunset Village Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

3

1,386 SqFt

Ocean Front

0.02 Acres

19 Days

Reduced

$635,000

$685,000

Hawks Cay

5092 Sunset Village Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

2

1,141 SqFt

Ocean Front

0.02 Acres

403 Days

Reduced

$585,000

$645,000

Hawks Cay

7021 Harbor Village Drive, Duck Key, Fl 33050
Marathon, FL 33050

2

3

1,357 SqFt

0.03 Acres

272 Days

12 Active Listings in Duck Key