An English translation of the Amazon Germany IP page by GamerGate gives a more detailed look at the Extra Content to come with the Limited Edition of Island Paradise.

The Sims™ 3 Island Paradise LIMITED EDITION includes the exclusive Island Survival Pack

The Island Survival pack equips your Sims with the necessities to scrape together an existence on a deserted island, fashion a makeshift home on a floating barge, build and escape to a minimalist retreat in the middle of the ocean—or enjoy these back-to-basic pieces in the comfort of civilization! With more items than any previous Limited Editions from The Sims 3, your Sim will have everything they need to sport that island survival look, from tattered togs to shipwreck-inspired furnishings. With the Island Survival Pack, your Sims will be ready to simplify their lives in an island paradise!

  • The stories of paradise lost…and found – From telling the tale of your Sims stranded at sea to decorating an austere stilted home, you can build and play out new stories that show off a different side of island paradise.

  • Bring the island into your Sim’s home –Furnish their homes with one-of-a-kind shipwrecked-chic items. Your Sims can drift off to a perfect night’s sleep in a canopy bed, made of repurposed driftwood.

  • More Limited Edition content than ever before – packed full of clothing, furniture, and décor options that will allow you to extend the way you play with your own island paradise.

Source: SimsVIP