There are quite a few very active player towns on Chesapeake. Many of these are connected via player run houses full of house tele tiles AND OR the EM placed ones by Luna Fairgrounds on Chesapeake.
Many of these are in the entire PaxLair Alliance of various guilds.
Meetings are held every tues evening at 9pm eastern (or it is 10pm) cuz Ima on central time so I may be off an hour {be 9pm my time I guess }, on a rotating basis as to where meetings may be held. The sight of the meetings are oft found on UO Forums forum under Chesapeake/guilds/meetings PaxLair.
One week meetings may be held in PaxLair [oldest player town going back to 1997] still standing in felucca, and even the original Richard Garriott ie Lord British donned a plaque there, as well as seers and so forth. PaxLair was established in like 1997.
And it's myriads of allies, and their townships across the facets include, DragonsWatch, Aryslan, Kijustu Anei Village in Homare, Pitmuck Isle goblins & all those related to the Etherial Void etc. also.
Non allied ones as well, include oft held activities too seasonally or monthly, via, the Royal Brit. Guard or RBG and SHE guilds etc. etc. on Chesapeake.
There are even 'Crimson Pirates' that come and attack folks *fel side* and they too are pretty active, requiring the PaxLair^Ethereal Void's allied naval forces to try to keep them Crimson Pirates in line.

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Gilfane ie GIL guild Siege has stuff going on pretty much all the time too.