Throughout history, humans have been directly or indirectly influenced by the oceans. Ocean waters serve as a source of food, rich minerals and a massive highway for commerce and transportation. The oceans cover over 70% of the earth's surface and support the greatest biodiversity on the planet. Oceans are also one of the largest carbon reservoirs in the Earth System, holding up to 54 times more carbon than the atmosphere. Scientists have successfully snapped a black hole, landed rovers on Mars and sent spacecraft to the moon's dark side. Yet, one of the most unexplored realms is within our planet, and that is the Ocean. The intense pressures in the deep ocean make it extremely difficult to explore. However, marine technology development is accelerating and will continue to do so in the future, which will pave the way to understand the ocean more. Today's technologies allow us to explore the ocean in increasingly organized, scientific, and non-invasive ways.