Flight
One option is to fly into Miami International Airport. The airport is about an hour and a half drive to Dream Bay Resort, Key Largo.
Flight
Another option is to fly into the Fort Lauderdale International Airport. This is about a 2 hour drive to Dream Bay Resort, Key Largo.
Flight
The final option is the Key West airport. This is about a 3 hour drive to Dream Bay Resort, Key Largo. May be a good option if you're extending your trip on either end and want to explore the Keys more, or want a longer scenic drive, etc.
Travel Note
You may choose to rent a car or Uber to the resort