Kourtney Kardashian Sips Wine Oceanside While Giving a Thousand-Yard Stare

08/31/2017 04:19 pm EDT

No one seems happier that summer is here than Kourtney Kardashian. On Monday, the Keeping Up With The Kardashians star took to Instagram to reveal a new pic that shows her wearing a daring bikini while enjoying a glass of wine by the beach.

The 38-year-old daughter of Kris Jenner shared the snap with the caption, "all week," along with an ice cream cone and cheeseburger emoji.

The image shows the mother of three sporting a maroon bandeau top bikini that features high-waisted thong bottoms. Kardashian pulled her long locks up into a loose ponytail as she looked out towards the ocean sipping on a glass of wine.

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Kardashian was evidently loving her swimwear as she proceeded to post two more pics in the same getup. One image showed her and a model pal named Allie Rizzo walking along the shore, once again wielding a massive glass of wine. The second snap showcased Kardashian's toned abs as she shot a smile away from the photographer.

She shared the pic with the caption: "She's not a local."

Another post was a group shot with Kardashian and two of her besties, Rizzo and Stephanie McDonough. The trio sat facing the ocean and whipped their heads around to glance at the camera.

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"Yesterday when we had the beach to ourselves," Kardashian captioned the photo.

The E! star has been on vacation this week with pals and her three youngsters in Nantucket, Massachusetts. Also on the trip was her ex-boyfriend Scott Disick, who is the father of her three children: 7-year-old Mason, 5-year-old Penelope, and 2-year-old Reign. Missing from the vacation is Kardashian's new beau, Younes Bendjima.

She is currently dating the 23-year-old model, however, sources close to the two say that they are not in a "serious" relationship.

"Kourtney is having fun, but her number one priority is still being a mom," an insider said to People. "Younes works hard and seems to like their arrangement too. They will see each other when they can, but it's not a relationship."

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