Florida Keys, or Welcome to Postcardjunky!

Somewhere around May I joined LiveJournal community Postcardjunky. Here's my first card from a member of this community:

Longest Reef >> Off the Florida Keys
The Florida Keys, a chain of islands approximately 220 miles long, curve south and west of mainland Florida. Stretching along beside them, about six miles seaward, is a long barrier reef. Coral reefs are actually colonies of tiny animals called coral polyps.

Matching Florida Keys stamp: