VISAR has two base stations; one on Tortola at Road Reef Marina and one on Virgin Gorda at Virgin Gorda Yacht Harbour. Tortola has a 32-foot Parker 1000 Baltic RIB, powered by twin 300 hp outboard engines. On station in Virgin Gorda is a 28-foot TP Marine RIB, powered by twin 225 hp outboard engines.
When out on an active emergency (called SHOUT), the vessel is operated by a Helm, a #2, a Medic, and up to three additional volunteer crew members. Each rescue vessel can take a maximum of two casualties on backboards, with either one family member or the doctor/nurse treating the casualty on the scene.