TSG Group, a real estate development and investment company, has purchased a developed acre off Miami's Brickell Avenue for $31.75 million.

The 44,575-square-foot property at 1399 SW First Ave. sits next to the 56-floor Infinity at Brickell condominium tower, which values the property at just over $31 million an acre.

The office of the Consulate General of Mexico occupies 23,000 square feet in a 34,935-square-foot office building on the site.