Optimum Development USA celebrated the ground-breaking and start of construction of The Optimum, a 5-story, class A office tower in the heart of the Grove. The Optimum is being developed by Optimum Development USA, led by Ricardo Tabet, and was designed by Arquitectonica. The development will entail 44,000 SF of office space and 6,500 SF of ground floor restaurant space which is expected to feature a high-end restaurant along with a rooftop lounge that offers dramatic, panoramic views of Biscayne Bay. Optimum Development USA paid $8.5 million for the assemblage in 2014 and has since taken a $21.5 million loan on the property. The Optimum is located at 3480 Main Highway in Coconut Grove and is expected to be completed in 12 to 14 months.