We holidayed in Oludeniz last September and found there were lots of nice bars jotted around the resort. One of our favourites was Buzz Bar on the front which was voted one of the top 10 beach bars in the world. Really good for all ages. Lovely roof top terrace bar with great views out to sea. Check out the website here http://www.buzzbeachbar.com/

We also loved Help Bar (also on the front a couple of doors down from Buzz) as it had a really good holiday feel with occasional live music, an Irish bar that wasn't really Irish but well worth a visit (may have been called Mojitos), and Tequilla towards the top end of the main strip. This was the only bar in the resort that tended to play something a bit different from all the others. A bit more guitar stuff than in other places. Depends what you're really looking for I suppose! Can't really say theres anywhere that bad you should avoid at all costs. Enjoy

you also have all the bars in the hotels which come alive at night ,and not forgetting the buzz beach bar on the beach with the water pipes is nice, and on thursday nites there is beach parties round at the lagoon well at least genc beach/nicholas alex arranges them they are great fun

Thanks both for your replies. I think we'll definitely be paying a visit to Buzz beach bar it looks really nice.
Please keep the recommendations coming.