<prompt> Translate the following text to EnglishKuna vituo vya uchunguzi vya chini ya maji vilivyo chini ya bahari, mita 90 kutoka pwani, ili uweze kuona kinachotokea katika Hifadhi ya Asili ya Pwani ya Coral.  <response>: And, best of all, there are underwater observatories sunk into the sea 90 metres 300 feet offshore at the end of a pier so you can see what is happening in the Coral Beach Nature Reserve. 