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308 Alamanda Street, 
Duck Key, FL 33050

$5,600,000

4

Beds

3

Baths

2,690

Sq Ft

Single Family

Active

Listed by

Brenda Alexander

Lokation Real Estate

Last updated:

November 8, 2026, 04:20 PM

MLS#

621933

Source:

FL FKBOR

About This Home

308 Alamanda Street

A Rare FIND, located on Yacht Club Island, Prestigious Duck Key Island, a Premier Oceanfront positioning, boast it's privacy, scale and Oceanfront presence, on Lots 112,113,114, 1/2 of 115, Oversized corner/Cul de Sac lots (total 31,347.50 sq ft) whether you choose to enjoy the existing residence, with many tastefully, new renovations or envision the construction of a bespoke private estate, there's room for your choice on this expansive, just under one acre lot size, a premier 136' of concrete, protected deep water dockage and a Protected Breakwater Wall, which is a Rare Find in itself, offering the deep water depth, the frontage and protection Dockage for owners Large Yachts or Sportfishing Vessels, provides effortless access and peace of mind. If you are looking for an Exclusive existing residence with Forever Oceanfront Views, with Protected Dockage for your exclusive, serene and refined Island Lifestyle, look no further. Build your community of friends, you may join Club Duck Key, complete with Pool, tennis courts, pickleball, bocce ball with many Social Events to join in on, throughout the year. This Island is Golf Cart friendly, enjoy a Golf Cart ride to the Islands wonderful Restaurants or Club Duck, be an owner and a part of a distinguished, affluent and sought-after Island Life (Professional Interior pics coming Soon)

Home Facts

Single Family

3 Baths

4 Bedrooms

Built in 1979

Subdivision & Development:

Yacht Club Island (61.0)

Price Summary

5,600,000

$2,081 per Sq. Ft.

MLS #:

621933

Last Updated:

November 8, 2026, 04:20 PM

Added:

4 day(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

3

Structure

Structure

Building Area:

2,690 Sq. Ft.

Year Built:

1979

Lot

Lot Size (Sq. Ft):

31,347

Finances & Disclosures

Finances

Price:

$5,600,000

Price per Sq. Ft:

$2,081 per Sq. Ft.

Source:FL FKBOR
The information being provided by Florida Keys Board Of REALTORS®, Inc. is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Florida Keys Board Of REALTORS®, Inc. All rights reserved. FL FKBOR Member Broker: Brian Schmitt

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.