MIAMI NEIGHBORHOOD GUIDE
Key Biscayne Condos for Sale
Oceanfront towers, bayfront residences and resort communities on Miami's barrier-island village.
By Anthony Guerriero, Manhattan Miami Real Estate | Updated August 2026
Key Biscayne is not a gated community; it is an incorporated island village framed by Crandon Park to the north and Bill Baggs Cape Florida State Park to the south. Buyers should separate the oceanfront condominium corridor, bay-oriented residences and lower-density village streets before comparing price.
Key Biscayne Real Estate Map
Key Biscayne occupies a barrier island approximately 5 miles south of downtown Miami, connected via the Rickenbacker Causeway. The island runs north-south with oceanfront condominium towers along the eastern (Atlantic) shore and bayfront residences along the western (Biscayne Bay) side. Crandon Park anchors the northern end; Bill Baggs Cape Florida State Park occupies the southern tip.
CURRENT INVENTORY
Key Biscayne properties for sale
The listing view is limited to this neighborhood and for-sale inventory. It does not expose a broad site search.
Availability changes frequently. Listing status, boundaries, building rules and property details must be independently confirmed.
Key Biscayne at a Glance
Market Overview
Key Biscayne operates as a trophy-tier island market with dynamics distinct from mainland Miami:
- Limited supply, finite island land constrains new development; most inventory is resale from established towers
- Strong international buyer base, particularly Latin American families and European seasonal residents
- Village governance and height restrictions prevent over-development, preserving residential character
- Two state parks and protected shoreline create permanent amenity value that cannot be replicated
- Rickenbacker Causeway is the sole vehicle access. An infrastructure constraint that simultaneously provides island security
- Pre-construction opportunities are rare; most acquisition is resale or estate-condition renovation
Notable Buildings & Residences
Key Biscayne’s condominium inventory concentrates along the island’s oceanfront and bayfront corridors. The most sought-after addresses include:
- Oceana Key Biscayne, Designed by Arquitectonica with interiors by Piero Lissoni; the island’s most contemporary oceanfront tower with flow-through residences and a private beach club
- Ritz-Carlton Key Biscayne, Hotel-branded residences with full resort service programs, direct beach, and marina access
- Grand Bay Residences, Bayfront towers on the western shore with sunset views over Biscayne Bay and downtown Miami skyline
- Ocean Club, Four oceanfront towers along Crandon Boulevard with direct beach access and resort-style amenities
- Key Colony, Mid-island community with a mix of villas and towers, tennis, marina, and a private island atmosphere
Price Ranges by Property Type
| Property Type | Typical Price Range |
|---|---|
| 1-Bedroom / Studio | $500K-$1.5M |
| 2-Bedroom | $1M-$4M |
| 3-Bedroom | $2.5M-$8M |
| Penthouse / Full-Floor | $5M-$20M+ |
| Oceanfront Trophy (Oceana, Ritz-Carlton) | $8M-$30M+ |
Pricing varies by building, floor height, view orientation (ocean vs. bay), and vintage. Oceana Key Biscayne and Ritz-Carlton residences command the highest per-foot premiums on the island.
Island Lifestyle
Key Biscayne functions as a self-contained residential village with a character distinct from mainland Miami:
- Crandon Park and Bill Baggs Cape Florida State Park bookend the island with protected beaches and nature preserves
- Village center along Crandon Boulevard with restaurants, boutiques, and a walkable community core
- Top-rated schools (MAST Academy, Key Biscayne K-8 Center) attract year-round families
- Rickenbacker Causeway connects to Brickell and downtown Miami in approximately 15 minutes
- Strong international community, particularly Latin American families seeking privacy, safety, and beach access
- No high-rise commercial development, height restrictions preserve the village character
Key Biscayne vs Adjacent Markets
Key Biscayne sits as a self-contained island market. Buyers evaluating the island weigh it against several adjacent luxury corridors:
Key Biscayne vs Fisher Island
Fisher Island is ferry-access only with a private club model and higher price floors. Key Biscayne offers similar exclusivity via the Rickenbacker Causeway but with a village center, schools, restaurants, and Crandon Park, a livable year-round community versus a seasonal enclave.
Key Biscayne vs Coconut Grove
Coconut Grove sits on the mainland with bayfront access, walkable village streets, and a broader inventory mix. Key Biscayne commands a premium for true island isolation, direct ocean beaches, and a more uniform ultra-luxury character.
Key Biscayne vs Brickell
Brickell is Miami’s urban financial core with high-rise towers and urban energy. Key Biscayne is the opposite, residential quiet, family village character, no commercial high-rises. Buyers trade Brickell’s walkability for Key Biscayne’s island privacy.
Key Biscayne vs Coral Gables
Coral Gables offers a manicured suburban character with historic architecture and Biltmore grandeur. Key Biscayne offers oceanfront and bayfront exposure that Coral Gables lacks, plus gated island privacy. Coral Gables is more accessible; Key Biscayne is more secluded.
BUILDING-BY-BUILDING BUYER GUIDE
Key Biscayne oceanfront condos for sale
Oceanfront buyers often compare Oceana Key Biscayne, Ocean Club, Key Colony, Casa del Mar and the Towers of Key Biscayne. The useful comparison is the exact building, apartment line, beach access, hurricane protection, reserves and recurring cost, not an island-wide average.
Key Biscayne waterfront condos and family use
The island appeals to families and relocators because daily life can remain compact, but school placement and admissions must be verified directly. MAST Academy is on Virginia Key, not within the Village of Key Biscayne. Seasonal owners should also compare staffing, package handling and lock-and-leave service.
Buying a Key Biscayne condo as an international owner
International buyers should coordinate title structure, financing, FIRPTA and estate planning with qualified advisers. At the building level, confirm leasing rules, reserves, insurance, assessments and milestone-inspection work before contract.
Buildings to compare
| Building | Buyer fit and diligence |
|---|---|
| Oceana Key Biscayne | Contemporary oceanfront condominium; compare line, floor, outdoor space and service |
| Ocean Club | Multi-building resort community; compare tower, rules and amenity access |
| Key Colony | Established oceanfront campus with distinct buildings and renovation histories |
| Towers of Key Biscayne | Southern oceanfront position near Bill Baggs; review condition and assessments |
| Casa del Mar | Established direct-oceanfront condominium; compare line and capital work |
BUYER QUESTIONS
Key Biscayne real estate FAQ
Is Key Biscayne gated?
No. Key Biscayne is an incorporated village reached by the Rickenbacker Causeway. Individual condominium communities may control access.
Which Key Biscayne condos are directly oceanfront?
Buyers commonly compare Oceana, Ocean Club, Key Colony, Casa del Mar and the Towers of Key Biscayne. Verify the exact building and apartment exposure.
Can Key Biscayne condos be rented?
Rules vary by condominium. Confirm minimum terms, annual limits, approval procedures and current association rules for the specific unit.
Is Key Biscayne good for families?
It attracts many families, but school assignments and admissions should be checked directly and commute patterns tested at the times the buyer will travel.
PRIVATE BUYER REPRESENTATION
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