I recommend you spend a week or two visiting the various islands. Each island is different and has a different vibe. Spending a few days on each island should give you a good idea of the lifestyle and people. There is a labor shortage on the islands like many parts of the country and opportunities are bountiful. The prices are not that crazy and compared to San Fran-may be a bargain. I have family that lives on Maui and on Big Island Kona coast.
A website that I check out every so often will give you a look at the Maui real estate market. Browse under Listings By Area. While you are there-click on Beach Cam and check out the live Charley Young beach cam...