Key Largo, FL vs Lower Grand Lagoon, FL

The cost of living difference between Key Largo, FL and Lower Grand Lagoon, FL is dramatic. Lower Grand Lagoon is 44.3% cheaper than Key Largo, a gap that translates to thousands of dollars per year in household expenses. Key Largo has a cost index of 145 while Lower Grand Lagoon sits at 100, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Key Largo is $1,889/month compared to $1,235/month in Lower Grand Lagoon — a 53% difference. Home values follow the same pattern: Lower Grand Lagoon is more affordable at $347,300 median vs $626,300.

Median household income in Key Largo is $78,906 compared to $77,639 in Lower Grand Lagoon (+1.6%). Key Largo does offer higher incomes, but the salary premium barely offsets the higher cost of living, leaving residents with a tighter budget. Looking at affordability, residents of Key Largo spend roughly 28.7% of their income on rent, more than the 19.1% in Lower Grand Lagoon.

Climate-wise, Key Largo is notably warmer with an average of 76.2°F compared to 68.3°F in Lower Grand Lagoon. Lower Grand Lagoon receives more rainfall at 59.5" per year compared to 56.1" in Key Largo.