That is the secret every agent is in pursuit of.
Most folks like to chase expireds. Why? Because the MLS will automatically generate a notification, daily of listing that have expired. That makes this activity EASY. Not necessarily productive unless you put a little thought into it.
When you defined your real estate business you determined if you are in the 90 day market or in the cultivation market. One market is reliant on the Last/next principle, while the other is about enticement, nurture, educating, relationship building and a long term commitment.
Unless you KNOW what your business model is, you will not commit the resources and energy needed. Most often an agent will hedge their bets and attempt both half -heartedly, and failing on both counts.
If I were starting from scratch in Sunny Isles Beach, I would get my stats together, (see MIAM) collect BOGO coupons from six or more area merchants and introduce myself to home owners in the community you want to be the 'go-to' resource.
The conversation in which you engage will be dependent on your knowing what your business is and how your business presents the solution for the problem keeping them in their home.
Finally, that name badge that says, "My name is Jaime" makes people more friendly. Without using the words real estate agent or REALTOR, be prepared to answer, "Hey, Jaime, what do you do?"