He’s dating Sports Illustrated Swimsuit Issue cover girl Camille Kostek.

But Rob Gronkowski showed he’s no slouch himself when it comes to rocking swimwear, as the retired NFL star stepped out of the Miami surf on Wednesday.

RELATED: Gronk’s Girlfriend Camille Kostek Gives Us A SI Swimsuit Model Sneak Peek

The 30-year-old former New England Patriots tight end flaunted his physique in just a pair of board shorts for the winter dip.

Flip the Pages to see Gronk show off: