Similar issue for me; I've been wanting another Bonaire trip badly; 8 times but last was in 2014. The freedom of solo shore diving calls strongly. It'd be nice to check out a new place - like the western portion of Curacao. For me, the struggle looks something like this:
1.) I already know the Bonaire layout; even in the city of Kralendijk it's not that hard to drive around (which is saying something, since I can't read the road signs worth a flip), outside of there the main road hugs the coastline, and dive sites are laid out like their on the shelf at the super market. Where to get groceries, all that, it's a known thing. The overwhelming majority of mainstream dive sites are rustic - pull the truck in, mark, gear up on the tail gate, leave door unlocked and windows down, walk in, dive, exit, down the road for the 2nd dive, eat, get 2 new tanks at resort, head out...
2.) Curacao's shore dive scene sounds different from what I read. Another poster once told me (years ago) the rental truck loaded with tanks & gear we're used to from Bonaire isn't a common 'thing' in Curacao. Some sites have businesses that offer amenities, but it may be expected to pay a usage fee, or rent tanks there (which I suspect means show cert. card & sign a waiver), some sites don't have all that...
It sounds like planning a shore diving trip there would be more drama, but a new area instead of a rehash.
I keep hoping for a list of shore diving sites that includes whether a site is 'rustic' (Bonaire style; bring your own tanks, costs nothing, and there's nothing there), semi-rustic (maybe a food truck or shop nearby, ignore it if you wish) or 'civilized' (amenities but usage fee, and maybe rent tanks there).
Regardless whether you want rustic freedom or a civilized site with a security guard watching your vehicle, concessions afterward and a lounge chair to sit drinking something for your surface interval...how about a listing of which sites are which?
More options than Bonaire, but more complicated.
Richard.