Hey Theiszy,
Thanks for posting, and for the analysis.
One thought: An easy dive is not necessarily a safe dive. It sounds like there was some boat traffic at this site. And the two of you are working on developing buoyancy control. In very shallow water, buoyancy control is difficult because buoyancy changes quickly with depth, and if you make an error, it is just seconds before you hit the surface. It would be important to have a dive flag, or better, to find a site with less boat traffic.
Thanks for posting, and for the analysis.
One thought: An easy dive is not necessarily a safe dive. It sounds like there was some boat traffic at this site. And the two of you are working on developing buoyancy control. In very shallow water, buoyancy control is difficult because buoyancy changes quickly with depth, and if you make an error, it is just seconds before you hit the surface. It would be important to have a dive flag, or better, to find a site with less boat traffic.