Love on the Rocks
Shrimp Happens
He picked his soulmate by the shrimp. The shrimp wasn't his.
On arrival day at a tiny island villa, a text forces the singles to couple up with whoever is nearest, and Marty commits to Vanessa because she is standing by the shrimp.
From the script

RosieBrody. I've booked a chapel. Our kids are Kale and Deadlift.

BrodyWe met four seconds ago. Great form, though.

VanessaFound the camera. Somebody else can find my suitcase.

LanceSingles. Welcome. Tonight... the villa... will ask you... one question...
Next time: an egg-and-spoon race for love
Rosie
Brody
Vanessa
Lance
Marty