The YMCA of Martha’s Vineyard is hosting an American Red Cross lifeguard instructor training course from 9 a.m. to 4 p.m. on August 26 to 28. Participants must currently be certified as a lifeguard and be at least 17 years old.

Cost for the course is $500 and includes instructor manuals and training. Registration for this course is available online at redcross.org with limited space available.