Where is pinnacle rock majora mask

k members in the thalassophobia community. Less than 10% of the ocean has been explored. Where is Pinnacle Rock Majora's Mask? How do you get to Pinnacle Rock without a seahorse? Do you need all the masks to beat Majora's Mask? Pinnacle Rock, also known as the Sea Snakes' Lair, is a location in Majora's Mask.