Middle Keys Guide

Marathon

Name: Live beach conditions and water temperature at Marathon
Creator: the beach today

Heart of the Keys

Everything for a day at the heart of the Florida Keys - conditions, Sombrero Beach, the Seven Mile Bridge and where to eat after.

Today on the Sand

loading live data…

Water Temp

84°

warm · gentle surf

UV Index

very high · 10am–4pm

Beach Crowd

Busy

holiday weekend

Beach Toolkit

Beach Conditions

Surf, tides & water temp

Parking Finder

Sombrero Beach & marina lots

Seven Mile Bridge

Bridge scene & live cam

Dining

Fisheries, tiki bars & Keys spots

Things to Do

Offshore, reef & backcountry

Events

What's on this week

Beach Rules

Dogs, drinks, fires, drones

Pick Your Sand

north to south

Sombrero Beach

Best free public beach in the Keys

Free county

Coco Plum Beach

County beach on the ocean side

County lot

Boot Key Harbor

Anchorage and marina, bayside

Marina

Pigeon Key Ferry

Historic railroad camp under 7-mile bridge

Ferry

Long Key SP

15 min north, turquoise tidal flats

State park fee

Bahia Honda SP

15 min south, Florida's best beach

State park fee

Dolphin Cruises

Open →

Compare daily sails from the marina — wild dolphins on nearly every trip.

Beyond the Beach

day trips

Seven Mile Bridge

At the west end

One of the world's most famous bridges - fish from the old bridge or drive the new one

Bahia Honda

15 min south

Florida's most beautiful state park beach and the best snorkeling in the Keys

Turtle Hospital

Marathon

The world's only sea turtle hospital - tours show live turtle rehabilitation

Dolphin Research Center

Grassy Key

Non-profit dolphin research facility with public tours and swim programs

see you on the sand

Water temp, surf and UV are live from NOAA & Open-Meteo; sunset is computed locally for Marathon. Crowd level is a weekday/weekend estimate.