Puerto Rico has no shortage of weekends where a brand can rent a table and hope. Fiestas patronales, food parks, convention-center expos, school events, chamber breakfasts. The mistake is treating the booth as the campaign. The booth is the introduction. The campaign is what you do with the names.
This is not a calendar of this year's fairs. Those dates move and a stale list is worse than none. This is how to decide whether to go, and how not to waste the money if you do.
Pick the room, not the crowd size
"Five thousand people walked through" is a vanity number if they were not in the market for what you sell. Ask who exhibited last year. Ask what the ticket buyer came to do. A clinic at a health fair is in the right room. The same clinic at a auto expo is paying to talk to people who came for cars.
Municipal events are often cheaper and closer to the actual neighborhood you serve. Island-wide expos look more impressive in photos. Choose with the customer in mind, not the recap post.
What to bring
A banner with the name large enough to read while walking. A way to take a lead that is not "follow us." Printed something useful: hours, a QR to the booking page or a one-page offer, not a paragraph of mission statement. Water, a charger, and two people if you can, so one can talk while the other writes.
If you do not have photos of the real work, do not invent them on the foam board. A clean name and a clear offer beat a collage of stock.
What to say
One sentence of what you do, one of who it is for, one of what happens next. Then listen. The people who stop want to know if you work in their town, what it costs to start, and when you can talk. Have those answers. If digital marketing is what you sell, do not spend the conversation explaining algorithms.
The Monday after
Same day or next morning, write the people who left a number. Reference the event so it is not a cold pitch. Offer a time, not a brochure. If you collected 40 names and follow up with 4, you did not have a lead problem. You had a discipline problem.
Put the useful names in whatever you already use to track work. If you have no system, a sheet is enough for one event. The follow-up you keep missing is the expensive part, not the table rental.