The mother of two was wearing a black two-piece, which consisted of a high-neck crop top and high-cut bikini bottoms. And judging from the pic, she seemed to be having a blast as she attempted to take a dip in a waterfall!
It looks like all that hard work in the gym has been paying off. Even though she's on vacation, the Selfish author has been working out with sister Khloe Kardashian. Kim even documented their latest gym session via Snapchat on Monday, and naturally, marveled over her slimmer figure.
"You guys, don't I look so skinny today?" she exclaimed in one of the videos.
A few days earlier, she revealed she works out "every single day" for "over an hour."
The getaway was a family affair, as Khloe and Kim were joined by Kylie Jenner, Kourtney Kardashian, Scott Disick and their 2-year-old son, Reign. Kim's kids, 3-year-old North and 1-year-old Saint, were also on the tropical trip.