Aerial bird's eye close-up shot looking straight down at a submarine in the open ocean off the coast of Hawai'i as the ballast tank blows and the sub begins to dive underwater

drone aerial submarine hawaii submarine ballast tank submarine dive big island sub ballast tank big island of hawaii unique underwater tour ballast undersea tour submersible submersible experience underwater world educational marine tour kailuakona atlantis subs undersea exploration ferry boat transportation aquatic adventure atlantis submarine marine life boarding boat disembarking boat underwater adventure ocean floor underwater sightseeing submerged ferry boat open ocean ocean recreation kailua bay waterfront kona tourist destination marine activity hawaiian islands travel pacific ocean tourism 4k 24 fps birds eye shot top down overhead shot closeup shot