Humboldt Explorer accommodates 16 passengers in 8 air-conditioned rooms, all of which have private bath and shower facilities. Most cabins can be arranged to provide two twin beds or one large bed depending on guest needs. Cabins are located on the main and lower decks.
The dive deck is equipped with individual gear bins, large camera table, recharging station, air and nitrox filling stations, tank racks, and a separate fresh water rinse tank for underwater camera equipment. Diving operations are conducted from two large pangas (tenders), easily boarded from the dive deck.