Here is how I mounted the cargo nets:







I went into some more detail here:

Hinge seats
https://r.tapatalk.com/shareLink?sha...7&share_type=t

If I was going to mount nets where the rear trays go I would screw straight into the engine divider panel on one side, and drill through the fiberglass lip on the other and use a bolt/nut.

The nets I used are rig rite manufacturing from amazon. This seems to be the best length for under the seats: Rig Rite Manufacturing 1200... https://www.amazon.com/dp/B001BW6AXC...p_mob_ap_share

I also mounted this under the engine hatch for the surf rope, and will be adding one more for the ski rope: Rig Rite 1150 Boat Console Cargo... https://www.amazon.com/dp/B00QMT3488...p_mob_ap_share