4. Jules’ Undersea Lodge, Key Largo, Florida
Who needs the Holiday Inn?! After diving 21 feet in the Florida Keys, you’ll reach Jules’ Undersea Lodge, a former marine lab getting a second life as a hotel. The lodge comes complete with a two bedrooms, a kitchen, a living room, air conditioning, a hot shower, a television — there’s even wi-fi! And, of course, you’ll find watch some fascinating marine life out of one of the lodge’s many large windows.