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Best results for

Water Activities in Duck Key, FL

Showing 217-240 of 349 results
Private Large Group Boat Charter in Islamorada

Private Large Group Boat Charter in Islamorada

Make the outing your own with a fully customizable charter

$3,172
Private Sunset Cruise in Islamorada

Private Sunset Cruise in Islamorada

Spend sunset on the water with your own group

$2,264
Coral Reef Snorkeling & Sandbar Tour in Islamorada

Coral Reef Snorkeling & Sandbar Tour in Islamorada

Pair reef snorkeling with time to unwind at the sandbar

$146/ person
Catamaran Coral Reef Snorkeling Tour in Islamorada

Catamaran Coral Reef Snorkeling Tour in Islamorada

Explore a coral reef from a catamaran

$112/ person
Islamorada Deep Sea Fishing Charter on 47' Center Console

Islamorada Deep Sea Fishing Charter on 47' Center Console

Fish offshore with onboard stabilization and air-conditioned comfort

$1,646/ boat
Private 30' Center Console Fishing Charter in Marathon

Private 30' Center Console Fishing Charter in Marathon

Explore inshore and offshore waters with space to fish comfortably

$1,055
Private Fishing Charter on a 40' Hatteras in Marathon

Private Fishing Charter on a 40' Hatteras in Marathon

Target hard-fighting game fish prized for the dinner table

$2,009
45' Offshore & Reef Fishing Charter in Marathon

45' Offshore & Reef Fishing Charter in Marathon

Choose a fishing adventure, sunset cruise, or island-hopping outing

$1,272& up
Inshore & Tarpon Fishing Charter in Key Colony Beach

Inshore & Tarpon Fishing Charter in Key Colony Beach

Target big fish with a crew that enjoys teaching beginners

$901& up
Reef Scuba Dive Trip for Certified Divers in Duck Key

Reef Scuba Dive Trip for Certified Divers in Duck Key

Enjoy longer bottom time on shallow reef dives

$175/ person
Reef & Bottom Fishing Charter in Islamorada

Reef & Bottom Fishing Charter in Islamorada

Head out with a captain for fishing and fun on the water

$1,484& up
Shared Deep-Sea Fishing Charter in Islamorada

Shared Deep-Sea Fishing Charter in Islamorada

Chase sport fish without booking a whole boat

$323/ person
2-Day Open Water Checkout Dives in Marathon

2-Day Open Water Checkout Dives in Marathon

Complete your open-water course skills in Marathon

4.4 • 293 reviews
$700/ person
3-Hour Snorkel & Dive Trip in Marathon

3-Hour Snorkel & Dive Trip in Marathon

Explore Florida Keys reefs by snorkel, Snuba, or certified dive

4.4 • 293 reviews
$190/ person
Sunset Night Dive in Marathon

Sunset Night Dive in Marathon

Explore a shallow reef after dusk and take in the sunset on the ride back

4.4 • 293 reviews
$269/ person
Advanced Open Water Diving Course in Marathon

Advanced Open Water Diving Course in Marathon

Build advanced scuba skills through core dives and specialty electives

4.4 • 293 reviews
$1,018/ person
2-Day Marathon Spearfishing Certification Course

2-Day Marathon Spearfishing Certification Course

Learn legal spearfishing skills and earn an Underwater Hunter certification

4.4 • 293 reviews
$1,018/ person
2.5-Day Open Water Scuba Certification in Marathon

2.5-Day Open Water Scuba Certification in Marathon

Build scuba skills through pool training and boat dives

4.4 • 293 reviews
$1,271/ person
2-Tank Guided Scuba Lesson in Marathon

2-Tank Guided Scuba Lesson in Marathon

Try scuba with pool training and an instructor-led reef dive

4.4 • 293 reviews
$509/ person
Marathon Scuba Refresher Course

Marathon Scuba Refresher Course

Rebuild your scuba confidence with a pool review and guided boat dive

4.4 • 293 reviews
$509/ person
Private Dive Charter in Marathon

Private Dive Charter in Marathon

A private dive outing aboard a vessel designed by divers

4.4 • 293 reviews
$8,904
Sombrero Reef Sunset Snorkeling Cruise

Sombrero Reef Sunset Snorkeling Cruise

Snorkel the reef, cruise the harbor, and toast the sunset

4.4 • 1.5K reviews
$82/ person
22' Pontoon Boat Rental in Marathon
Up to 10

22' Pontoon Boat Rental in Marathon

Cruise Marathon waters with onboard navigation, shade, and easy water access

4.4 • 1.5K reviews
$450/ boat
19' Center Console Boat Rental in Marathon
Up to 4

19' Center Console Boat Rental in Marathon

Cruise and fish with onboard GPS, a live well, and a swim step

4.4 • 1.5K reviews
$351/ boat
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Duck Key Things To Do
Fishing Charters129Boat Rentals69Boat Tours41Snorkeling38Scuba Diving26
More
  • Kayaking Tours14
  • Car Rentals13
  • Sunrise and Sunset Tours13
  • Private Fishing Charters6
  • Canoeing5
  • Food Tours5
  • Jet Skiing5

Travel guides for Water Activities

13 Stunning Beaches in Florida With Clear Water You Need to Visit
Best of Florida • 2026

13 Stunning Beaches in Florida With Clear Water You Need to Visit

Clarity is geology, not luck: quartz sand, seagrass filtration, and how close the Gulf Stream runs. Thirteen beaches, and the trade-off each one asks of you.

Do You Need a License to Rent a Boat in Florida? Your Complete Guide
Best of Florida • 2026

Do You Need a License to Rent a Boat in Florida? Your Complete Guide

Florida issues no boating license at all. What the marina checks is a safety education card, and whether you need one comes down to one date: January 1, 1988.

Yacht Charters
5
  • Paddleboarding4