Newbie here looking to book rewards flights without paying exorbitant taxes/fees. Not necessarily looking for mini rtw but looking for experts that might be able to assist with routing out of YHZ. 2 weeks vacation in July and looking for somewhere to vacation with my Wife.

Dates available to travel:
July 2 - 16
2 people
Departing from YHZ (or YQM)
Looking for somewhere tropical/exotic with nice beaches
Have 150,000+ miles available but would prefer not to use them all
Was considering Hawaii, Costa Rica or somewhere like that. Have previously used miles for flights to Florida, Las Vegas etc... but realize that's not my best bang for the buck.

Realize that routing through US and flying non Air Canada is my best bet, just trying to find available flights is the tricky part. Trying to read through all the threads on here but lots of info. What's the main advantage of searching ANA as opposed to Aeroplan site? Tried it but not sure what's better?