Not far north of Auckland - Tawharanui peninsula, Mangawhai, etc. On a large rural mansion (preferably with ocean view). All easily achievable with about $1m USD (interest rates are great atm to). The thing to watch out is "rates" aka taxes and maintenance (ocean water does etch a bit). Downside is NZ is quite boring from cultural perspective (but super fun for boating, fishing, hunting, etc - I think most city dwell…
What specially you miss when you say "NZ is quite boring from cultural perspective" ?
For me Auckland is about the minimum size (1.5m people) I'd want to live. I have a minority hobby (chess) that barely exists in smaller cities, let alone towns. Similarly as you go to smaller places you lose those other niche things that need a huge population to support. For example outside of Auckland/Wellington most towns have perhaps one Tech meetup group, not one for every topic.
The outdoor stuff is an occasional for me. Living in the Auckland I can get to it in an hour or two dring while having two good bakeries in walking distance for my house.