Robbie's of Islamorada, specifically Robbie's of Islamorada Marina and Feed the Tarpon attraction, is known for its unique tradition involving dollar bills. Visitors to Robbie's often participate in an entertaining and somewhat quirky activity:

1. **Feeding the Tarpon:**
   - One of the main attractions at Robbie's is the opportunity for visitors to feed the tarpon. These large and charismatic fish gather near the docks, and visitors can purchase buckets of fish to toss to them.

2. **Dollar Bills on the Walls:**
   - As part of the tradition, visitors have been known to write messages on dollar bills and affix them to the walls and ceilings of Robbie's open-air tiki hut and other structures on the property.

3. **Personal Messages and Artwork:**
   - The dollar bills often bear personal messages, names, dates, and even artwork. Visitors use markers or pens to add their unique touch to the dollar bills before attaching them to the walls.

4. **Memories and Celebrations:**
   - The tradition of placing dollar bills on the walls is a way for visitors to leave a lasting memory of their visit to Robbie's. It has become a form of creative expression, and the walls have transformed into colorful and eclectic displays.

5. **Themed Sections:**
   - Over time, different sections of Robbie's have developed their own themes. Some sections may have bills dedicated to celebrations, anniversaries, or special occasions. Others might showcase artistic creations or messages of love and friendship.

6. **A Growing Collection:**
   - The collection of dollar bills has grown over the years, turning Robbie's into a unique and ever-evolving art installation. It has become a quirky and beloved aspect of the overall experience at Robbie's.

7. **Atmosphere and Vibe:**
   - The presence of the dollar bills contributes to the laid-back and casual atmosphere at Robbie's. Visitors often enjoy strolling around and exploring the bills, reading messages left by others, and adding their own contributions.

8. **Tarpon Feeding and More:**
   - While the dollar bills tradition is one aspect of Robbie's, the marina is primarily known for its tarpon feeding experiences, waterfront dining, and a range of activities and shops offering a taste of the Florida Keys lifestyle.

If you plan to visit Robbie's in Islamorada, don't forget to bring a dollar bill to contribute to this quirky tradition. It's a fun and memorable way to leave your mark on a unique Florida Keys establishment.