There are balls there. In February a ball broke free. Would be prudent to back down on the ball to test it. Your charter company briefing should cover this. If not, just ask.

Warren S/V Scuba Doo
Lagoon 50 (winner of best crewed yacht under 55 feet at the St. Thomas crewed yacht boat show).

https://www.cyabrochure.com/ebn/2307/pdyrX/6642/4///