There are numerous FB groups that are very up to date on the SVG/Grenadines situation including:

https://www.facebook.com/groups/132087906871838 (Eastern Caribbean Cruisers)
https://www.facebook.com/groups/122198531593669/ (Bequia)
https://www.facebook.com/groups/418001715012735/ (SVG)

The prospects for any opening up in SVG/Grenadines in July is slim at best because of restrictions put on international airline travel.