Kylie Jenner's eighteenth birthday party in Montreal was enormous business for everybody included ... did Kylie profit, as well as the club AND the promoters scored six-figure paychecks.

As per our sources, Beachclub raked in $150,000 for KJ's enormous day, while the promoters took home around $100,000 (they took in $300k at the entryway, yet paid Kylie $200k to appear).

Beachclub's proprietor, Olivier Primeau, tells TMZ he spent an extra $30,000 just to verify the night went impeccably. Here's the place some of that additional cash went:Check it out here)

$1,500 to manufacture a deck so she wouldn't need to stroll in the sand in her heels.... Read more.


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