by Michael C. Lowe | October 14, 2014

Marianna van den Broek and Chris Guinto's Florida-based company, Sand Isle (, offers sand-sculpting team-building activities. Prior to attendee arrival, the husband-and-wife outfit prepares special blocks of compressed sand that can be carved into sculptures with provided tools. Groups are given a theme and a time limit, and participants must work together to execute the collective vision. This video was filmed at the Casa Marina, a Waldorf Astoria Resort (, in Key West, Fla.