Exploring the ocean for national benefit

NOAA Ocean Exploration is the only federal program dedicated to exploring the unknown ocean, unlocking its potential through scientific discovery, technological advancements, partnerships, data delivery, and education.

Learn About Ocean Exploration

Dive into ocean exploration by exploring materials such as stories, ocean facts, and images and videos, organized by topic for learners of all ages and levels.

In the Field: 2026

NOAA Ocean Exploration works with partners to explore previously unknown areas of our ocean, making discoveries of scientific, economic, and cultural value and supporting innovations in exploration tools and capabilities. In 2026, we will lead and support expeditions and fieldwork in the Pacific Ocean, Caribbean Sea, and Lake Michigan.

Featured 2025 Statistics
339,864 Square Kilometers of Seafloor Mapped
120+ Days at Sea on NOAA Ship Okeanos Explorer
3.2 Million Website Views
600+ Educators Trained
NOAA Ship Okeanos Explorer in port in Honolulu, Hawai‘i,

Status: NOAA Ship Okeanos Explorer

NOAA Ship Okeanos Explorer is in port in Honolulu, Hawai‘i, following the 2026 ROV Shakedown (EX2603) expedition. The 2026 Pacific Islands Mapping (EX2604) expedition will begin on June 16.

Featured Favorite

This unusual purple octocoral in the family Plexauridae was observed at a depth of 1,368 meters (4,488 feet) during Dive 09 of the 2021 North Atlantic Stepping Stones expedition. During the dive, we also saw at least five species of black corals, a bamboo coral in the genus Acanella, and two other species of octocoral.