Our sources tell us the engaged power couple scooped up this massive waterfront estate on Star Island ... Miami's super-private enclave for celebs and business tycoons. They check both of those boxes.
The place is spectacular ... it's on a 40,000-square-foot lot and comes with a whopping 10 bedrooms, 12 bathrooms and a pool that's a work of art for their modern fam of 6.
The bells and whistles include elevator, wine room, library and industrial-style chef's kitchen -- perfect for cooking AND dancing ... at least when J Lo's the chef.
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J-Rod already own a huge home in Miami's beautiful Coral Gables neighborhood, so it's unclear if the new spot is a new crib for them, or just investment property.
We reached out to reps for J Lo and A-Rod ... so far, no word back.