Make sure to visit the Sapporo Teppanyaki restaurant (right up at the top, near all the dodgy-themed restaurants like the flintstones, etc). It's proper good food, and dirt cheap. Another restaurant you might want to look at is 'Fiji', which is polynesian food, and themed with all sorts of island stuff, that was a bit expensive though, but I think worth it.
After going there, we found it had another branch in Liverpool. It was nearly four times more expensive over here. I've stayed in the hotel 'Adams Beach', which is right on Nissi Bay (which, again, you NEED to go to), crystal clear waters, lovely and warm, and no more than neck-high for a loooong way. You can rent scuba, jet skis, banana boats and so on from a place there, too. There's also a small island you can swim to, and jump off a cliff into the deep water, if you're feeling brave enough.
As for Protaras, I've stayed there too. There's a McDonalds at one end, then a mile or two of pubs, bars, karaeoke, cafes, restaurants, minigolf, arcades, souvenir shops, blah blah blah. You shouldn't have much trouble finding somewhere to work, hopefully. Also, the beach there was quite good. Dunno if other people will agree, but I found Protaras a lot chavvier/tackier than Ayia Napa, which overall, was great, didn't seem chavvy at all, and I went in August.
That's me spent (for now, I'll post if anything else comes to me

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