Hallandale is a dense urban area on the coast. There are no barns immediately nearby. I assume you'll be working at Gulfstream?
The closest boarding will be in Davie or Plantation Acres, both of which will be over a half hour away in light traffic. There are also barns in Southwest Ranches, which are further west. I'd stick with the most eastern, but best quality barn you can find.
I am not familiar with the barns in Davie or Plantation Acres anymore, but maybe others can chime in. Also, google the BarnBook for South Florida, which should list some boarding barns.