A swimming pool isn’t just for fun anymore. Ask anyone who has taken a water fitness class and he or she will tell you it’s a challenging workout in a cool, calm pool.

“It seems easy, but it’s not,” said Tammy Osceola.

“We are sweating under water,” added Amy Latchford.

Water fitness is a good option for people of all fitness levels, provided they can swim. The cardiovascular workout incorporates strength training with water weights.

“You get a lot of resistance from the water without impacting joints,” said Debra Marsalisi, fitness specialist. “It’s ideal for people with arthritis or joint pain.”

The Hollywood fitness department offers water fitness classes at the community pool on Mondays at 5:30 p.m. and Tuesdays and Thursdays at 11 a.m.

Brighton has classes at the community pool on Mondays, Tuesdays and Thursdays at 9:30 a.m. and Wednesdays at 5:15 p.m.