Aquarius is recognised as one of the most modern and luxurious sail vessels to operate out of port douglas with only 23 guests aquarius is a dedicated snorkel only vessel offering a personalised experience to this stunning tropical island on the great barrier reef relax on the spacious upper deck between guided snorkelling tours and devour the delicious buffet lunch with prawns as well as freshly made cakes for morning and afternoon tea a journey to low isles is not complete without a trip