This sleek, high-tech catamaran departs daily from Pier 6 near the Aloha Tower Marketplace . They take guests on 2.5 hour whale watching cruises from January to April when the humpback whales are migrating through the islands.
Catamarans have twin hulls with a deck in between that minimize rolling in the ocean swells.
Royal Hawaiian Cruises operates the Navatek I and also the Navatek II on Maui Island .