TomaHost

TomaHost iconUS$13 (12 Euro) a month for a 15,500-prim region that can hold up to 80 avatars, with no setup fee on OSgrid, Metropolis or other OpenSim grid.

Other region sizes also available, including a 25,000-prim region with over 80 avatars, at $18 (17 Euro).

For those who need a dedicated server, either to run personal regions or to resell land, 99 Euro per month, and a 99 Euro setup fee gets you a server with 32 GB RAM capable of running up to 64 regions.

TomaHost also offers Website hosting and hosting for other game servers.

Visit the OpenSim hosting page here.