Accompanied by partner Scott Disick and their two children, the reality TV princess enjoyed a sunshine getaway at a resort where they had their own private deck overlooking the ocean.
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The break allowed her to spend quality time with Mason, four, and Penelope, 21 months, building sandcastles and topping up her tan.
Once back home, the mother of two attended a Kardashian family get together for Easter where she blew out the candles on another cake. The multi-coloured creation featured icing carved into roses and butterflies.
Grateful Kourtney shared a picture of her treat on instagram with the caption: "I'm a lucky girl! 🎂🎁🎉🎈Thank you @krisjenner ! I have the best mom!"
While the birthday girl was away her family - including Kim and younger half-sisters Kendall and Kylie - all shared collages of her on their social networks.
By far the sweetest tribute came from her mother Kris Jenner who wrote: "You are the most amazing daughter, sister, mother and friend I could have ever imagined. Thank you for bringing so much joy into my life.
"I love you more than I ever thought possible, or than I could ever have imagined. You are where my journey began. You are my heart."
As she wraps up her birthday, Kourtney has an exciting new project in the works. Along with her other sister Khloé Kardashian, she is planning a spin off of their family's show Keeping Up With The Kardashians.
The new programme will be called Kourtney & Khloé Take The Hamptons.Like their previous shows set in Miami and New York the famous siblings will temporarily relocate.
The DASH fashion store owners will head to Long Island's East End — a celebrity hotspot just outside the Big Apple which they often visit as Scott is originally from there.
It will follow the fashionistas as they move their New York shop to a new property while attempting to establish a pop up store in the Hamptons.