Walk underwater and explore the amazing coral reef and tropical fish on this small group tour of up to 4 people at the grand mirage resort in nusa dua your seawalker experience is as easy as putting on a comfortable helmet breathing normally and going into the water you will go to a depth of 3 to 5 meters and this activity is for people of all ages 7 70 years the tour will go for approximately 15 2 hours please note you will spend around 20 25 minutes in the water