I'm all paid up this year in NH;

$370 mooring excise tax
$1350 marina membership to keep my dinghy on the dock
$100 mooring inspection fee
$157 registration fee - sailboat
$39 registration fee - dinghy

Sailing grounds - Isles of shoals is a day sail, going NE it's 4 hours to the interesting stuff in Maine, south it's 4 hours to Cape Ann. I've considered Rockport, Me. a few times and may move up there for the 2013 season to try it.