Model Hailee Lautenbach -- Good As Gold ... While Catching Rays (PHOTO GALLERY)

Hailee Lautenbach brought all the essentials for a solo picnic at the beach -- a towel, some fruit, and her phone for taking selfies.

The Wilhelmina L.A. model was in Venice, and all was going according to plan ... until a fellow beachgoer made a fowl play on her snacks.