Wouldn’t recommend a telescopic rods although some people may like them.
Rods like the kilwell powerplay range are probably the best you will find but they retail around $600, although I got mine off trademe for $200.
There’s a rod out by Abu called the Abu Surfline ($200) which looks a lot like the Solaris, but it’s cheaper and has a few changes which make it a better rod than the Solaris which pretty much means the Solaris is off the market unless you can find one second hand really cheap. There’s a few others around the $200 mark but I really would recommend the surfline.
If you’re not wanting to spend that much money then look at the Penn Powerstick surf rods or maybe the Daiwa Eliminators if you can find them.
As for size I really don’t think a big 16 footer is needed at all especially if you have a decently long rod holder for fishing rougher conditions. You’ll probably cast further with a 13 or 14 foot as well although I do think 12foot is a bit to short. The rod should also be rated to cast a 5-6oz sinker.