the bus ride takes about 20 minutes or so to s/a not sure on price but it was pretty good value, me and my partner and little girl got the bus from ibiza town to s/a you buy return tickets from a little kiosk near the bus stop. while in s/a you must go see the sun set and fire eaters near the cafe del mar, this event is a must

I think you might have to take the bus to Ibiza Town centre, and then get the bus back out to San An - but it doesn't take long. Full timetables are here by the way - http://www.ibizabus.com

BTW, are you aware that PDB is pretty much attached to Ibiza Town. Ibiza Town has a fantasic night life, espically around the marina area - best on the island IMO.

take the # 14 bus from pdb/then walk up to next bus station(main one)ie the way the road is running. get ticket from last box inside.walk out turn right last bus stop(about 20 yards if that. bus # 3..cost about 2.80 euro per person.. for 2 buses.so its about 5.60...depends how old the children are.under 2 i think is free.takes in all if you time it right 1 hour ??.i can do it in 45 mins///but with road works now a bit longer...you have to do the same thing coming back ok.get ticket from box in san an..ect..you could take a nice walk in to ibizatown to get bus..but if its your 1st time.you may get lost....try to find a map on other sites ok...only takes me a bout 20mins from pdb...

Has anyone done this by taxi? if so does anyone know the price ?

Thanks

san an to playa den bossa, is about 20-26 euros. depending on night rate