Walking, jogging and cross-country skiing in deep water. This class improves cardiovascular fitness and muscle tone. Class Times You must be a Y member to register for this program. If already a member, please login. Great South Bay YMCA: Nov. 17 - Feb. 01 (8:30AM-9:30AM) Tuesdays Tuesday, 8:30AM - 9:30AM, Dec. 10, 2019 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Dec. 17, 2019 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Dec. 24, 2019 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Dec. 31, 2019 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Jan. 7, 2020 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Jan. 14, 2020 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Jan. 21, 2020 ADULT, SWIM Online registration Ages 16 - 99 Tuesday, 8:30AM - 9:30AM, Jan. 28, 2020 ADULT, SWIM Online registration Ages 16 - 99