$7,500,000
Active
$7,500,000
791 Crandon #507
Key Biscayne, FL 33149
4 bd5.5 ba3,581 sqft
Ocean Tower Two Condo
Key Biscayne, FL
New Construction Homes in Key Biscayne
New builds and pre-construction communities in Key Biscayne, Florida. Browse active MLS listings and communities with List & Sell FL.
0
Communities
Key Biscayne
City
1%
Listing Fee
Active Listings
142 active listings
$735,000
Active
$735,000
77 Crandon #8E
Key Biscayne, FL 33149
2 bd2 ba1,123 sqft
The Palms Of Key Biscayne
$1,695,000
Active
4d
$1,695,000
251 Crandon #304
Key Biscayne, FL 33149
2 bd2 ba1,532 sqft
Key Colony No 2 Condo
$1,495,000
Active
4d
$1,495,000
251 Crandon #525
Key Biscayne, FL 33149
2 bd2 ba1,532 sqft
Key Colony No 2 Condo
$19,450,000
Active
$19,450,000
960 Mariner
Key Biscayne, FL 33149
6 bd8.5 ba7,742 sqft
Cape Fla Sub Sec 2
$19,750,000
Active
$19,750,000
1080 Mariner
Key Biscayne, FL 33149
6 bd6.5 ba6,468 sqft
Cape Fla Sub Sec 2
$12,990,000
Active
$12,990,000
445 Grand Bay #PH-2A
Key Biscayne, FL 33149
4 bd5.5 ba7,400 sqft
Grand Bay Residences Cond
$2,900,000
Active
$2,900,000
251 Crandon #806
Key Biscayne, FL 33149
2 bd2.5 ba2,220 sqft
Key Colony No 2 Condo
$19,450,000
Active
20d
$19,450,000
550 Harbor
Key Biscayne, FL 33149
7 bd7.5 ba6,497 sqft
Hurricane Cove
$750,000
Active
8d
$750,000
201 Galen #110
Key Biscayne, FL 33149
2 bd2 ba1,187 sqft
Key Biscayne Vi Condo
$1,690,000
Active
15d
$1,690,000
201 Enid #31
Key Biscayne, FL 33149
2 bd2.5 ba1,460 sqft
Biscayne Key Estates Sub
$2,950,000
Active
8d
$2,950,000
765 Crandon #311
Key Biscayne, FL 33149
3 bd3 ba2,602 sqft
Lake Tower Condo
$4,450,000
Active
9d
$4,450,000
177 Ocean Lane #501
Key Biscayne, FL 33149
3 bd2.5 ba1,930 sqft
Commodore Club East
$419,000
Active
16d
$419,000
100 Sunrise #5
Key Biscayne, FL 33149
1 ba410 sqft
Sunrise Club Condo
$765,000
Active
11d
$765,000
77 Crandon #3C
Key Biscayne, FL 33149
2 bd2 ba1,105 sqft
The Palms Of Key Biscayne
$970,000
Active
10d
$970,000
141 Crandon #329
Key Biscayne, FL 33149
2 bd2 ba1,470 sqft
Key Colony No 4 Condo
$9,950,000
Active
24d
$9,950,000
360 Harbor
Key Biscayne, FL 33149
6 bd5.5 ba4,341 sqft
Biscayne Key Estates
$1,410,000
Active
13d
$1,410,000
177 Ocean Lane #405
Key Biscayne, FL 33149
2 bd2 ba1,260 sqft
Key Biscaynes Commodore C
$852,000
Active
24d
$852,000
177 OCEAN LANE #402
Key Biscayne, FL 33149
1 bd1.5 ba840 sqft
Key Biscayne Commodore Club
$3,500,000
Active
11d
$3,500,000
881 Ocean #13H
Key Biscayne, FL 33149
3 bd3 ba3,120 sqft
Casa Del Mar Condo
$2,400,000
Active
17d
$2,400,000
881 Ocean #23C
Key Biscayne, FL 33149
2 bd2 ba1,875 sqft
Casa Del Mar Condo
$7,599,000
Active
27d
$7,599,000
315 Cypress
Key Biscayne, FL 33149
6 bd6.5 ba3,980 sqft
Tropical Isle Homes Sub 4
$499,000
Active
28d
$499,000
290 Sunrise #1-B
Key Biscayne, FL 33149
1 bd1 ba679 sqft
Key Islander Condo
$1,075,000
Active
18d
$1,075,000
201 Crandon #605
Key Biscayne, FL 33149
1 bd2 ba1,059 sqft
Key Colony No 1
Information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data deemed reliable but not guaranteed. © 2026 Beaches MLS, Inc.
About New Construction Homes in Key Biscayne
New Construction Homes in Key Biscayne, FL
New Construction Homes are a distinct slice of the Key Biscayne, County market. New construction in Key Biscayne ranges from quick move-in homes that are already built to to-be-built homesites where you choose the floor plan and finishes. Builders active across County include national and regional names, and a to-be-built home usually takes several months to about a year to complete. New homes bring modern layouts, current energy and hurricane codes, and a builder warranty.
Much of the personalization happens at the design center, where upgrades add up quickly, so set a budget first and learn which choices hold resale value. New homes still deserve inspections, both during construction and before closing, and most carry a warranty, commonly one year on workmanship, two on systems, and ten on the structure. Many new Florida communities also carry a CDD assessment on the tax bill, separate from HOA dues. Builders often extend their best incentives through a preferred lender or on quick move-in inventory near the end of a quarter, and your own agent costs you nothing because the builder pays the buyer-side commission.
Frequently Asked Questions
New Construction Homes in Key Biscayne FAQ
Are new construction homes in Key Biscayne move-in ready or to-be-built?+
Both. Builders usually have a mix of quick move-in homes that are already built and to-be-built homesites where you pick the plan and finishes. Ask us what inventory and homesites are available now.
Can I use my own agent to buy new construction in Key Biscayne?+
Yes, and it costs you nothing. The builder pays the buyer-side commission, but in most cases your agent must be with you or registered on your first visit, so arrange representation before you tour.
Do new homes in Key Biscayne come with a warranty?+
Almost always. New homes typically carry a builder warranty, commonly one year on workmanship, two years on major systems, and ten years on the structure. Confirm the exact coverage before closing.
What is a CDD fee on new construction in County?+
A Community Development District assessment repays the bonds that funded the community's roads and utilities. It appears on the property tax bill, separate from any HOA dues, so factor it into your monthly cost.