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So in love in the Seychelles!

Newlywed royals William and Kate are spending a super-luxe one-and-a-half week honeymoon on North Island, one of over 100 islands in the lush African island-nation in the Indian Ocean -- and the new Us Weekly, out now, has brand-new details on the once-in-a-lifetime getaway. (Brad Pitt and Angelina Jolie plus David and Victoria Beckham have also spent time on the posh former British colony.)

At a reported cost of $720,000, the Duke, 28, and Duchess, 29, rented out 11 villas at North Island Lodge. Some of the amenities: A private butler tending to their every whim (from a beachside ice cream sundae to a specific pillow!); an open-air bath filled with frangipani flowers; golf carts and mountain bikes to check out the island's remarkable flora and fauna, and more. (Just one of those hand-crafted villas has two bedrooms and nearly 5,000 square feet of space!)

"They have been looking forward to this trip as much as they were their wedding," one Kate source tells Us. The getaway (where, perhaps, a royal heir could be conceived!) is "the first time in months they can relax together, away from everything and anyone."

For much more on the honeymoon -- more photos, incredible perks and their return to royal reality -- pick up the new Us Weekly, out now!