The star, who was once voted one of of Maxim's Hot 100 women in the world, glided along the calm glassy water atop her large yellow and lime green board.
What a gem: Joanna Krupa showed off her paddle boarding skills, and her fabulous figure, in Miami on Thursday
Fortunately for Joanna, who wore her blonde hair half up, half down, it was a relatively windless day.
The only time she seemed to struggle was when she was pulling the heavy board up to shore.
Watch your step! Joanna treads lightly on the slippery wharf while looking good in her bejeweled white bikini
Calm blue sea: Joanna kept her balance on her paddle board with feet braced slightly apart, and fortunately there was little wind
This isn't the first time that Joanna has taken off on her paddle board.
She took to the windy sea last week as well, and shared the experience on Tweetwood.
'Had some fun paddleboarding at southbeach kayak! Windy but a great wkout!' Joanna wrote.
Need help? Joanna appeared to struggle as she grappled with her paddle board
From the look of the lovebirds, you'd never guess they had broken up for a spell in November.
Joanna and Romain frolicked in the sun and surf, showing that their on-again relationship is hotter than ever.
In tune: Joanna, wearing another chic bikini, enjoyed a romantic walk on the beach with her fiance Romain Zago on December 15, proving that they are hotter than ever
'We got in a huge fight, and I just pretty much got fed up with it,' Joanna explained to In Touch on their two-week long bust up.
'He loves me to death, he wants to be with me, but there's something that's holding him from committing 100 percent,' Joanna added.