Distance between cities › USA › Florida › Bay Harbor Islands, FL › Distance from Bay Harbor Islands to Key Biscayne Book Hotels

Distance from Bay Harbor Islands, FL to Key Biscayne, FL

Distance

20 mi

Time

38 minutes

Gas Cost

$2 - $4

Helpful Inaccurate

There are 13.54 miles from Bay Harbor Islands to Key Biscayne in south direction and 20 miles (32.19 kilometers) by car, following the Rickenbacker Causeway route.

Bay Harbor Islands and Key Biscayne are 38 minutes far apart, if you drive non-stop .

This is the fastest route from Bay Harbor Islands, FL to Key Biscayne, FL.

Bay Harbor Islands, FL and Key Biscayne, FL are in the same time zone (EDT). Current time in both locations is 10:59 pm.

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Lowest Price Rental Cars in Bay Harbor Islands, FL

Planning on renting a car to go from Bay Harbor Islands, FL to Key Biscayne, FL? Here there are some offers to rent a car in Bay Harbor Islands, FL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Bay Harbor Islands »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.81 gallons of gas to cover the route between Bay Harbor Islands, FL and Key Biscayne, FL.

The estimated cost of gas to go from Bay Harbor Islands to Key Biscayne is $3.12.

During the route, an average car will release 15.83 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.86 per gallon of regular gas. Price last updated on March 18, 2026.
Read more about our CO₂ calculation.

Recommended hotels in Key Biscayne, FL

Looking for a place to stay in Key Biscayne, FL? Check out these hotel deals:

Halfway Point Between Bay Harbor Islands, FL and Key Biscayne, FL

If you want to meet halfway between Bay Harbor Islands, FL and Key Biscayne, FL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 25.800434 and -80.205521, or 25º 48' 1.5624" N, 80º 12' 19.8756" W. This location is 10.06 miles away from Bay Harbor Islands, FL and Key Biscayne, FL and it would take approximately 19 minutes to reach the halfway point from both locations.