All Estate Agents in the U.S. are Co-Broker agents. What this means to you is that you only need 1 Agent to handle all your Real Estate needs. If you are buying Real Estate, your Agent can represent you on any property that you want to purchase which also includes New Construction. An Agents commissions are typically paid by the Seller with no upfront cost to you for representation.
Your Estate Agent is your best resource and advisor for purchasing real property here in the Florida so take advantage of their knowledge. When consulting with an Agent you should ask questions about their ability to work with foreign nationals and ask if they are CIPS (certified international property specialist) qualified. CIPS Agents are specially trained to work with international buyers.