*Mariah Carey sports a black and teal one-piece, sunglasses and black visor while showing off her post-twins bod at the beach.

“Ocean work out! It’s been a loooong time since I’ve been in the ocean,” the 41-year-old new mother of twins Tweeted on Tuesday, along with a photo of her in the water.

The singer previously told People that she loved working out in the water, telling the mag that water aerobics “is actually three times more effective” than other types of exercise.