When having a bachelorette party it's a good thing to keep in mind the type of people you're inviting.  If for the most part, you have women who are reserved, you might not want to go "balls to the wall".  Here are some ideas though. 

1. You can do a girls night out at the club and drink and dance the night away.  Doing this, you might run into guys that want to join in on the celebration though.  So you have to consider whether or not you want to deal with that.

2. You can take a page from a typical bachelor party, and go to a male strip club.  This can be alot of fun and can be really interesting.  Most of these clubs will even take the bride to be up on stage with the performers of her choice for a "special" show.  This option is more expensive since drinks cost more at these places and you also need tip money.  It is a blast though...with the right people.

3. You can also to a passion party at someones home.  a passion party is when a consultant comes and shows and demonstrates various intimate items.  This is also lots of fun with the right people.  You can also buy yourselves or the bride to be some interesting little(or big) gifts lol.  Not recommended for people who are not comfortable with talk of sex and things of that nature.  Having drinks help.  You could even have a male stripper come after the party is over to extend the night and good times for all the ladies.

4. If none of thses apeal to you, you could go with an all girls party at the house wih friends and family.  This is a good idea if you're inviting some of the reserved type of people.  It's a good way to insure noone gets into trouble.  Not all women will enjoy this, but if you have people who can create a good time anywhere, it's a great idea.  It's also less costly.

Most importantly, it has to be about the bride to be.  Make it something she would enjoy and always remember.  It can't be about the guests because than it just becomes a party.  I've been to each type of these and all were a blast.  I hope this helps