While being completely underwater makes the engineering quite difficult, having some habitable underwater area has much to be said for it. It has an undeniable romantic appeal (underwater weddings? Parties? Honeymoon suites?). Jules' Undersea Lodge in Key Largo, Florida, charges $300-$600 per night [Jules]. It has received a lot of media attention, for example it was featured on "Lifestyles of the Rich and Famous". Hydropolis, the worlds first luxury underwater hotel, is to be built in Dubai (close to The Palms) and completed in late 2006 [ReutersDubai]. The project is funded to the tune of five hundred million dollars. Poseiden Resorts is another planned project [Poseidon]. The Global Coral Reef Alliance [GCRA] has demonstrated that electro-accretion can be used to build and sustain artificial coral reefs for diving.