Explore · Connect · Protect
Small-group dive expeditions around the world.
Upcoming Expeditions
Alor, IndonesiaOctober 2026October 21 to 29, 2026 · 9 days / 8 nights · Scuba · Land-based · Advanced Open Water
A hidden gem on Indonesia's eastern edge. Vibrant reefs, volcanic sand slopes, strong currents bringing in pelagics, and a paradise for muck divers.
Hammerhead SharksMola MolaThresher SharksMacro & Critters
Komodo National Park, IndonesiaFebruary 2027February 21 to 28, 2027 · 8 days / 7 nights · Scuba · Liveaboard · Advanced Open Water
Eight days aboard a traditional phinisi liveaboard through Central and Southern Komodo National Park. Manta Alley, Cannibal Rock, dramatic soft coral walls, and Komodo dragons on Rinca Island.
Manta Ray Cleaning StationsKomodo DragonsVibrant Coral Walls
Baja California Sur, MexicoMay to June 2027Multiple departures, May to June 2027 · 6 days / 5 nights · Freedive / Snorkel · Private villa · No experience necessary
Tens of thousands of mobula rays converge along the Sea of Cortez in one of the ocean's great migrations. We time the expedition to its peak, alongside orcas, whale sharks, and dolphin superpods.
Mobula Ray AggregationsOrcas & Blue WhalesCabo Pulmo Reef
Maldives, Indian OceanAugust 2027August 15 to 22, 2027 · 8 days / 7 nights · Scuba · Liveaboard · Advanced Open Water recommended
A luxury 7-night liveaboard through the central atolls. Grey reef sharks, nurse sharks, whitetips, manta rays, and whale sharks across North and South Ari, Vaavu, and Male Atolls aboard the Emperor Serenity.
Manta RaysWhale SharksGrey Reef Sharks
Malapascua, PhilippinesSeptember 2027September 6 to 15 and September 19 to 28, 2027 · 9 days / 8 nights · Scuba · Land-based · Advanced Open Water
One of the few places on Earth where thresher sharks can be seen year-round. Nine days at Evolution Dive Resort with 24 dives, including 8 to 10 with threshers at Kimud Shoal.
Dawn Thresher SharksMandarin Fish DiveTiger Sharks at Monad Shoal
From our travelers
Carolina P.
Aruba · 4 trips
"It all started in 2023 when I left dry land in Texas to join Matthew's 20+ dive marine biodiversity dive expedition in Bonaire, even though I wasn't even certified yet. That trip combined my love for ocean conservation and underwater photography, leading me to then dive Baja Cali..."
Susann & Sinan
Germany · 3 trips
"We actually started diving because we wanted to be part of Icosa's expeditions, and it turned out to be one of the best decisions we've ever made. Every trip has been an unforgettable adventure, and some of the most incredible underwater encounters and discoveries we've ever expe..."