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Area guide

Key Biscayne

Island privacy with strong schools, tight inventory

Key Biscayne area

Price per sqft

$900-$1,800+ (oceanfront condos and estates higher)

Population

~14,000 village | ~2.7M Miami-Dade

Crime scale

Very low

Overview

Key Biscayne is an island village off Miami connected by the Rickenbacker Causeway, prized for a safe, self-contained community feel with strong schools and immediate beach access. Inventory is inherently limited by the island's size, so demand is resilient and pricing holds. It combines Miami proximity with a quieter, family-oriented pace, and benefits from Florida's no-state-income-tax structure (Florida Department of Revenue).

Best for

  • · Families wanting island safety with strong schools
  • · International buyers seeking a self-contained community near Miami
  • · Households prioritising immediate beach and park access

Key neighborhoods

  • · Oceanfront condo corridor — full-service buildings with beach access
  • · Village interior — single-family family pockets near schools
  • · Bayfront estates — premium waterfront with boating access

Commute and access

MIA and Brickell are roughly 20-30 minutes via the Rickenbacker Causeway, which is the island's single access route and a genuine constraint at peak times.

Housing profile

Mix of oceanfront condos and single-family homes; island supply is finite and older buildings carry material insurance and reserve considerations.

Key tradeoffs

  • · Finite island inventory sustains pricing pressure
  • · Single-causeway access concentrates commute and evacuation risk
  • · Coastal insurance and building-reserve costs require diligence

Demographics

Affluent and highly international, with a large South American family community and strong year-round residency.

Schools overview

Anchored by the Florida DOE-graded K-8 Key Biscayne community school and MAST Academy nearby, with private options across Miami-Dade.

Schools in Key Biscayne

Ranked by Florida DOE school grade, 2026.

Independent schools

Listed largest first. Florida publishes no academic results for private schools, so these are not ranked.

  • St Christophers

    Key Biscayne · Elementary · 1 teacher per 10.2 pupils

    Private

  • Key Biscayne Presbyterian School

    Key Biscayne · Elementary · 1 teacher per 6.7 pupils

    Private

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