Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.
Greyhound Lines, Inc. Key West Marathon recent customer reviews
I was put off by the driver reciting the “does and don’ts on the bus” as with left the terminal. I’m sorry if your past passengers’ conduct requires this. I have ridden your route from EYW to MAR years without any problems.
Flixbus is a European bus operator that offers intercity and bus travel in over 38 countries. Known for their easy-to-spot lime green buses and for offering affordable transportation between cities in Europe and the Americas, Flixbus is a good option for those looking for an affordable, reliable bus company. In their buses, you'll find free WiFi, bathrooms, and power outlets. You can also pay extra to choose your seat and get extra legroom, or even buy a snack or drink onboard directly from the driver. You can reschedule your ticket for a small fee, which varies from $1 to $5, depending on how close you are to the departure date.
Frequently asked questions about traveling from Key West to Marathon, US by bus
What is the distance between Key West and Marathon?
About 48 miles (77 km) separate Key West and Marathon.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
Best price found
11/22
$14
11/23
$15
Today
$18
11/25
$18
11/26
$18
11/27
$14
11/28
$14
11/29
$14
The cheapest trip from Key West to Marathon, US was searched and found on Nov 22, 2025 with a price of $14
To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Key West to Marathon, US, as early as possible.
You can expect to pay from $14 to $18 for a bus ticket from Key West to Marathon, US based on the last 2 days. You can expect to find the cheapest price for the trip at $14 which is on 2025-11-28.
The cheapest trip from Key West to Marathon, US was searched and found on Nov 22, 2025 with a price of $14
