When you're looking for tropical fun without leaving the United States, the Florida Keys are your best bet. In fact, the bridges and highways connecting them all to the Florida mainland make them a perfect road trip location. Here are the top 10 destinations for a road trip to the Florida Keys.

1. Dive to the depths in Key Largo

If you're interested in aquatic adventures, you'll never be short of things to do in Key Largo. This easily accessible island features extensive snorkeling and diving opportunities where you can enjoy exploring the underwater landscape that includes sea life, reefs, and even an underwater statue. Of course, you can also stay above the water with fishing and kayaking.

2. Visit the purple island of Islamorada

Known as the purple island because of its colorful sunsets, the island of Islamorada is also known as the sportfishing capital of the world, so it's nothing short of an angler's paradise. That's just the beginning of everything it has to offer, however, as you can also explore bike trails and preserved native settlements if you're interested in learning about the island's history.

3. Venture through natural splendor in Big Pine Key

If you're looking to explore the natural world on your road trip to the Florida Keys, Big Pine Key is your best bet. Compared to the other islands in the area, Big Pine Key is overgrown with vibrant flora in virtually every corner. You can explore the National Marine Sanctuary and spot the native Key deer, a unique version of the American white-tailed deer.

4. Explore the variety of Marathon

Marathon is one of the more notable areas of the Florida Keys primarily because it's made up of several smaller keys. With so many islands, it offers a variety of attractions, so it's the perfect destination whether you're looking for something romantic, family-friendly, or anything in between. You can enjoy boating, swimming, and seafood.

5. Travel across the Seven Mile Bridge

During any road trip to the Florida Keys, you'll encounter the Seven Mile Bridge as a matter of necessity. Fortunately, this bridge is fascinating enough to be a feature in its own right. Not only is the bridge a convenient way to get your car across the water, but it offers incredible scenic views and features numerous spots where you can enjoy a bit of fishing.

6. Experience the famous Key West

The most famous part of the Florida Keys is Key West. The southernmost city in the United States, Key West is most known for its bustling nightlife with numerous clubs and bars by the beach in the area. The town's culture offers much more, however, as you'll find art galleries, theaters, and chic restaurants to enjoy.

7. Venture out to Dry Tortugas

Just because you're on a Florida Keys road trip doesn't mean you have to miss out on Dry Tortugas. When you leave your car in Key West, you can access this incredible national park by boat or seaplane where you'll find seemingly endless snorkeling opportunities and the imposing 19th-century Fort Jefferson.

8. Relax with a trip to Little Torch Key

When you visit Little Torch Key, you can experience a laid-back time enjoying the day with extensive fishing and kayaking opportunities. It's notably quiet compared to many of the other keys, so it serves as a bit of backcountry for the area. Don't forget to check out the local colorful coral with a dive as well.

9. Explore John Pennekamp Coral Reef State Park

At John Pennekamp Coral Reef State Park, you'll find one of the best Florida Keys road trip destinations thanks to the array of underwater life on display. Additionally, you can explore numerous underwater wrecks when you go diving. There's a shell-covered beach area as well that the kids are sure to enjoy if they're looking to go swimming.

10. See the dolphins in Grassy Key

Grassy Key is one of the lesser-known keys, but it still has much to offer, especially if you like dolphins. This area is home to the Dolphin Research Center where you can learn all about these fascinating creatures and even go for a swim right alongside them. Of course, you can settle for the touch tank as well, which is especially useful for engaging kids.