Water 3: Water Aerobics is a class is for men and women ages 18 years and older who want a higher intensity water workout. This class is appropriate for people who like aerobics exercises at a gym in general. Some people may have a special liking to the water, or water may be a safer option for people who have injury, any issues with their joints or are recovering from surgery. Although water may be the preferable option for people to exercise while they heal from surgery, most participants are not under medical care. Water 3: Water Aerobics provides a fun and safe physical workout for people to stay fit and healthy.