The couple jetted to the private island resort Parrot Cay on the Turks and Caicos Islands for their honeymoon the past week, reported E!Online.
"I cannot thank @RealRobertEarl enough for the best vacation of my life! #ParrotCay!," Manganiello wrote with a sweet selfie of himself and his new bride on Twitter.
Vergara flaunted some leg in another picture she posted on Instagram that showed the actress soaking in the sun while watching her man take a dip in the water.
The A-list couple exchanged vows at The Breakers in Palm Beach on November 22.