I'm surprised to hear you guys say that less loose hands are played live compared to online.
Whenever I have played live in my area it is a total limp fest and a standard 3x + 1BB per limper does almost nothing to deter them as all limpers tend to come along and see the flop.
I generally adjust to this by over limping more while in position with speculative hands that can flop huge and raising it up massively preflop with premiums (sometimes get 2 callers even if I 10x it preflop).