Bergwind,
Macquarie Lighthouse and Hornby Lighthouse are easy to reach, with in one day,
just take a city bus 324 or 380,
https://goo.gl/maps/MhLPvtDT8xL2
You missed it !
Bergwind,
Robertson Point Lighthouse is easy to reach, just take F6 ferry,
https://goo.gl/maps/cjZRKipZzk62
You missed it !
Bergwind,
Bradleys Head Lighthouse is easy to reach, just take F3 ferry, to Taronga zoo wharf,
https://goo.gl/maps/1n3zwHdMZjo
You missed it !
Bergwind,
Covehead Harbour lighthouse is easy to reach, just ride a bike, 28Km,
https://goo.gl/maps/txpBMdzNm342
You missed it !
Bergwind,
They have two Cape Tryon lighthouse, old and new,
Your missed the New Cape Tryon lighthouse,
http://lighthousefriends.com/light.asp?ID=938 (http://lighthousefriends.com/light.asp?ID=938)