Marla Maples is enjoying her Caribbean vacation!

On Monday, Maples, 55, went on Instagram to share a series of photos of herself in a two-piece outfit flaunting her fit physique while doing yoga on a boat.

"Ok so honestly...the best natural lighting ever... thanks to the magical sea and sunlight of Caribbean ☀️" Maples — who was married to Donald Trump from 1993-1999 and is mother to their 25-year-old daughter Tiffany — wrote.

She continued: "So after the 4 1/2 mile hike straight up and down Gros Piton my quads were so sore, and my toes and most everything else 🙈 but this pose, I believe called Swan in #Yoga and the others to follow were so helpful to stretch out the soreness, especially the quads."

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Marla Maples attends the 2018 The Hollywood Reporter's 35 Most Powerful People In Media at The Pool on April 12, 2018 in New York City. (Taylor Hill/WireImage via Getty)

Maples went on to encourage her social media followers to try yoga, as well as explain the workout's benefits.

"#yoga works and breathing deep into any pain we may feel allows the oxygen to flow and healing and relief to come. Try it :))."

Back in 2016, Maples competed on "Dancing with the Stars," where she spoke to Fox News about her experience on the reality competition series.

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"I feel so happy that I had ['DWTS' pro partner] Tony [Dovolani] there to just keep me on board, keep us focused, to be able to be at this point in my life and to be able to dance like this…and have a new way of starting and creating life," she told us at the time. "It's been fantastic."

Fox News' Carole Glines contributed to this report.