Kourtney Kardashian flashes her booty in thong bikini while on vacation: Pics!


Showing off her assets! Kourtney Kardashian is loving her vacation life, spending time with pals and her kiddos in Nantucket, Massachusetts.

WATCH: EXCLUSIVE: Scott Disick Having 'Hard Time' Watching Kourtney Kardashian Move on With New Guy

On Monday, she shared several beach shots on Instagram of herself in a maroon thong bikini.

"Yesterday when we had the beach to ourselves," the 38-year-old captioned a shot of herself sitting on the beach with pals Allie Rizzo and Stephanie McDonough.

See photos from Kourtney Kardashian's Nantucket vacation:

18 PHOTOS
Kourtney Kardashian's 2017 Nantucket vacation
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Kourtney Kardashian's 2017 Nantucket vacation
yesterday when we had the beach to ourselves
all weekπŸ¦πŸ”
she's not a local.
forget about it
i don't like you
oh there we are
can't get it together
πŸ‡ΊπŸ‡Έ vibes
πŸ‡ΊπŸ‡Έ vibes
πŸ‡ΊπŸ‡Έ vibes
"I love the silent hour of night, For blissful dreams may then arise, Revealing to my charmed sight What may not bless my waking eyes."
eternal love
unselfish love
fearless love
unconditional love
true love
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She also showed off her toned booty while drinking wine and looking out at the ocean.

"All week," she wrote.

The mother of three also gave fans a look at the front of her suit in another shot on the shore, writing, "She's not a local."

WATCH: EXCLUSIVE: Kourtney Kardashian and Younes Bendjima Hit Up Le Club 55 in St. Tropez in Coordinating Ensembles

Kourtney's been having quite the luxurious summer, traveling to the French Riviera with her new boyfriend, Younes Bendjima, earlier this month.

See more celebrity beach bods:

73 PHOTOS
Celeb Summer Beach Bodies 2017
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Celeb Summer Beach Bodies 2017
The grass is always greener... πŸ‘™@stellamccartney
My morning view.. #ofmark #underhiseye
🍌🍯πŸ₯πŸ₯žπŸŸπŸ§€πŸ‹(obviously foods)
Kris Jenner looking like a snack! πŸ‘€ I see you mommy! #6KidsAndBad!
❀️It's a beautiful, magical sunrise at the lake this morning, the water is quite cold but its such a great way to combat inflammation and feel the connection to Mother Earth...... #LakeConstance #MorningSwim #HealingPower #BodyMindAndSoul
Sunshine = βœ”οΈ Lake = βœ”οΈ @caliabycarrie swimsuit = βœ”οΈ Happiness and love for time with family and friends = βœ”οΈβœ”οΈβœ”οΈβœ”οΈβœ”οΈ Summertime is all about love...love for people, love for the outdoors and love for living in the moment! Get out there and relax! ❀️❀️❀️❀️❀️ PS: #NoFilter
Jump up in this beach like...
🏝
"I thought about this shoot afterwards. I was like, what was I doing? I lost my mind! How are the shots? Do they look crazy?" THE Nicole Kidman for Love 18 #lovedup ❀️❀️❀️❀️
Missing Miami...β›±πŸβ˜€οΈπŸ‘„
Kiss My Butt 36
Summer attitude. (πŸ“·: @pricearana)
National bikini day! #wherewasmyparisfashionweekinvite
live your best life
🌞🌊✌🏾#WadeWorldTour #Summer2017 Last Day Antics 😎🍷
πŸ‘…
πŸ‡ΉπŸ‡·πŸΎ
πŸŽ‚ Birthday Weekend begins now!πŸ˜ŽπŸŽŠπŸŽπŸΎπŸŽ‰Thank you @bookingcom for the amazing villa!! β˜€οΈπŸ‘™πŸŒŠβ›± #bookingyeah #birthdaygirl
#deadsea #israel
πŸ‘
It really doesn't get any better than this... πŸ™ŒπŸ»πŸŒŠπŸ’“
GIRLS 🌊
Well, vacation is over but damn.. that was fun. @themarissacallahan I miss you already 😩😫😭
🎣
Happy Monday! Here's to a great week y'all! πŸ‘™ #Summer
Feeling like a new woman #ISurvivedTheDetox
❀️this beach
Summmmmer is heeeeerrrre! Bring on Z fruit , sunshine (always spf) , & goooood times!
🐚
Nothing like trying to look cute next to this super model 😜 ❀️ u @bellahadid
Week 5 of filming and hips getting rounder, thighs getting thicker...#topchefmemories #eatingmywaythroughcolorado
Thankful for great friends and fun adventures but keeping my eyes on the horizon. The future is bright. πŸ™πŸ»
Happy Birthday to me πŸŽ‚πŸ·#roseallday #nationalwineday
How I plan on surviving summer days: big hat πŸ‘’, bikini πŸ‘™, and ice cold Corona Light 🍻. Ready for the official start of summer and The Lightest Day + most hours of sunlight tomorrow!!! 😏😏@coronalightusa #thelightestday #summersolstice #ad #for21+
Rooftop season ready πŸ‘™πŸΉπŸ˜‹
πŸ˜πŸ‡ΊπŸ‡Έ
I made @_sarahlink take this pic #ibiza🌴 #calasaladaπŸ‡ͺπŸ‡ΈπŸŒŠβ˜€οΈπŸ
πŸ‡«πŸ‡·
Aloha Ke Akua, God is Love in Hawaiian πŸŒΊπŸ™πŸ½β€οΈ
@CNN don't judge a book by it's cover ♏️
Some place better is anywhere with you πŸ’•
Just a little sun kissed
🌴🌿 I see you 🌿🌴
you won't find me
Miami ✈️
Ahhh man... πŸ¦‹
My happy place. Excited for everyone to see the video! #smalltownboy @dustinlynchmusic
I'm well red @sodemelswim
Back to Life πŸŒΊπŸ¦‹β€οΈ
You used to call me on my cell phone.
Vibes
Baby wanted some vitamin Dβ˜€οΈ
Good morning πŸŒ΄β˜€οΈ #fbf
A quick yoga session to connect to myself and this beautiful place (yoga is my ultimate travel trick to stay in shape, it requires no equipment or extra clothing and if you are really missing your yoga mat, you can always grab a towel and wet it in the place where your hands and feet would go πŸ‘ŒπŸ»)
πŸ‡«πŸ‡·
my question is... how do I live here forever?
It's time ladies #girlgang #calzedonia πŸ‰πŸ‘πŸ‘™ @calzedonia #spon
Hello up there πŸ‘‹πŸΌπŸ‘‹πŸΌπŸ‘‹πŸΌ
Until next time Maldives πŸ‡²πŸ‡»βœŒπŸ½πŸ‘ͺ
Vacation x2 and a @luv_martha suit
Styling!!
#bvi πŸ“· cred: @mattyice432 πŸ‘™@bytheseaswimwear
Don't know if it's physically possible for me to get any more tan....
Girls trip! 🌺
In love with this man. πŸ’Ÿ #CARL 🍍🌴
Hola from #Bali, #Indonesia.. it's a spiritual adventure... just so special.
ME
Good Morning ✨#StTropez ✨ I Miss you! #backtorealife
Weekend attire πŸ’ŽπŸ’ŽπŸŒΈπŸŒ΄β˜€οΈπŸΉ
#mood πŸ‘™πŸ‘™πŸ‘™
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