Dolphins Archipel offers you exactly this.
We offer nice lag free Island Parcels, on a Private Estate without shouting or rotating advertisment crap.
Parcel can be from 1024 sqm up to 8192 sqm.
Tier will be 2000L$ every month for each 1024 sqm.
Also we offer a full Support, including help with building or scripting things for free if its relatet to you parcel.
There is 1 Club on this sim, you can use as Customer from us for free for your events.
Please read the Covenant before you rent.
http://slurl.com/secondlife/Dolphins%20Archipel/223/12/21