I can give you some pros and cons of purchasing real estate in Key Largo, Florida.

Pros:
1. Location: Key Largo is located in a prime location overlooking the Atlantic Ocean, providing easy access to water-related activities such as snorkeling and fishing.
2. Weather: The city experiences warm and sunny weather all year round, making it an attractive location for snowbirds, retirees, and vacationers.
3. Lifestyle: Key Largo offers a relaxed and laid-back lifestyle, with plenty of opportunities for outdoor activities and a thriving entertainment scene.
4. Investment Potential: The real estate market in Key Largo has been steady over the years, providing a stable ROI over time.

Cons:
1. High Cost of Living: Due to its location and popularity, Key Largo can be quite expensive, with high property taxes, utilities, and other living expenses.
2. Risk of Natural Disasters: As with any coastal area, Key Largo is at risk of hurricanes, tropical storms, and flooding.
3. Limited Job Market: Since Key Largo's economy is primarily driven by tourism, there are limited job opportunities available.
4. Traffic: Although the city has fewer residents than other areas in Miami-Dade or Broward counties, the US-1 highway is the only road in and out of Key Largo, which can lead to congestion and long travel times.