Post something you're doing anyway. People nearby can come along.
Pick one — it tells people what to expect. Not sure? The examples are other people's plans.
Beach swims · outdoor gym · walks · cycling · golf · tennis
Car drives · motorbike rides · car shows · Cars & Coffee
Group dinners · wine bars · food markets · yum cha
Movie nights · galleries · theatre · live music
Harbour cruises · fishing · kayaking · ferry trips
Newcomers · recently single or divorced · newly retired