I live in Jensen Beach, it's a great town to live in. I've been a Martin County resident for 32 years, so I've seen a lot of change here. While the rest of the area has gone nuts with growth, Jensen Beach hasn't kept up the same pace (away from the US 1 area that's called "Jensen Beach" that is). Yes, there's been growth in Jensen Beach, but someone who hadn't been there in 20 years would still have no trouble getting around. Things would still look very familiar to them. Real estate in Martin County is very high compared to St. Lucie County to the north, but isn't nearly as bad as further south in Broward and Dade counties. Some areas of south Stuart and Port Salerno aren't too desirable as places to live, but for the most part there are nice areas all over Martin County. Martin County trades places each year with Palm Beach County for the county with the highest unearned income in the state. In other words, the people who live there are wealthy, living off the earnings from their wealth. That bodes well for future property values, and standards of living.
I know the Sheriff personally and he is a good guy. He's a former Marine and he runs a good Department.
Shooting facilities in the area go from the indoor range in Port St. Lucie about 8 miles north of Jensen, to the Martin County Sportsmen's Association Range in Palm City next to the county landfill. The range I like to shoot at is in Indian River County to the north. Although it's a haul to get there (a little over an hour away) it's a first class range and it is inexpensive to use as well.
I don't know what you're used to as far as housing costs go, but if you can afford to buy in Martin County, your investment will only continue to grow. My current home has gone up approximately 2 1/2 times in value since I bought it 9 years ago...and it wasn't exactly cheap then. I couldn't afford the house I live in if I had to buy it today.
As far as politics go, you can't get elected in Martin County unless you run as a Republican. The county is a conservative, which is just fine with me. The biggest problem we face is with traffic and the lack of area for new road construction to alleviate the congestion. It's too lengthy an explanation for this forum, so I'll leave it at that.
I hope that helps you a little...