⚔️Throwing the Ring into the sea would only delay the problem, not solve it, as Sauron is immortal and can wait for it to resurface.
🦑Powerful and intelligent sea creatures might be drawn to the Ring, potentially becoming a threat if they obtained it.
🌊The seas and lands may change over time, and burying the Ring in the sea would not guarantee its permanent safety.
⌛Sauron doesn't actually need the Ring to achieve victory, he just needs it not to be destroyed. Hiding it would give him a free run towards victory.
🌍Throwing the Ring into the sea would risk the balance of power in Middle Earth, as Sauron would become even more powerful.