A freediver gliding down over a reef on one breath

You Have A Secret Aquatic Superpower

Discover how you were always meant to experience the beauty of the underwater world, with our ultra luxury underwater adventures.

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Ultra Luxury Aquatic Adventures

Two catamarans moored in clear water off a rocky coast

Swim alongside manatees, manta rays, and other ocean wildlife. Go treasure hunting in a sunken ship. Learn to catch and cook traditional Greek octopus with a world-renowned chef. Contribute to ocean science expeditions or coral reef restoration. And that's just the beginning. Join us to experience the beauty of the underwater world like you never have before.

If you love snorkeling, you will adore this...

Your Aquatic Superpower

Costa standing on the sea floor in a business suit, hands on his mask
Costa Michailidis
Costa Michailidis Founder, Costa Freediving & Freediving Adventures · FII Certified Freediving Instructor

You, like all humans, have a mammalian diving reflex that allows you to hold your breath and explore the depths of the underwater world, just like marine mammals do. When I teach groups to tap into this reflex, there are always people who surprise themselves with 3 minute breath holds and 20-meter dives on a single breath.

This ancient practice of breath hold diving is called freediving and I learned from the best...

Costa Michailidis
Costa Michailidis Founder, Costa Freediving & Freediving Adventures · FII Certified Freediving Instructor

Experience History In Your Own Body

Martin Stepanek teaching a freediving class

Our Freediving Champion

The scientifically refined safety standards

Martin Stepanek is the first human to dive past 400 feet deep on a single breath. Harvard scientists studied his physiology. He built the first freediving schools, pioneered the safety practices proven to save lives in freediving competitions and beyond. He is the living, breathing, freediving legend we trained under.

A page of Oppian's Halieutica in a 15th-century Greek manuscript, open at the passage on sponge divers, with the note On Sponges in the margin

Freediving Depicted Across History

Pearl diving, spearfishing, religious ceremony

From the Ama divers of Japan to the sponge divers of ancient Greece, humans have been diving on a single breath since long before we wrote anything down. The Greek text above (180 A.D.) depicts a freediver: "...a rope at his waist, a lead weight in one hand, a knife in the other, a leap from the prow..." Your body carries the same diving reflex used throughout history.

Oppian, Halieutica V, c. 180 AD · Beinecke MS 255, f. 60r, Yale University Library
Costa at depth on a single breath, the surface far above

Deeper Than You Expect

FII Level 1 Freediver certification included

If desired, your expedition will include an FII Level 1 Freediver certification, which takes you up to 20 meters deep (66 feet) on your dives, up to a 3-minute breath hold, and unlocks unique experiences. The level 1 course is embedded in your adventure (and it's a ton of fun).

Freediving Instructors International Gold standard freediving education

Bespoke Aquatic Adventures

We craft made-to-measure experiences that marvel and delight.

A manatee in a sunlit Florida spring

Manatees

Dive with some of the most social, friendly, and majestic animals in the wild.

 A manta ray gliding over the rubble floor of a cleaning station, deep blue water above

Manta Rays

Manta rays are elegant giants of the sea we dive with night or day.

 A freediver in blue water with sharks passing above

Sharks

For the brave, freedive with sharks on their turf.

 An open wooden chest of gold coins in lamplight

Treasure

Follow clues and find real treasure, then commission your jeweler.

 A sunken ship standing upright on the sand in deep blue water, its wheelhouse rising toward the light

Shipwrecks

Explore a mysterious shipwreck and the secrets it reveals.

 Octopus hanging to dry outside a Greek taverna

Delicacies

Catch and cook with artisan chefs: Octopus, lobster, and more.

 Rows of young star coral growing on a nursery rack in turquoise water, a diver’s fins and a fish above

Restoration

Plant coral to restore a reef, and other science expeditions.

 Pearls resting in open oyster shells, close up

Pearl Diving

Dive for oysters the way the Ama of Japan have for two thousand years.

 A cluster of yellow tube sponges on a reef in deep blue water

Sponge Diving

Harvest natural sponges as Greek divers have since antiquity.

 A spearfisher descending through sun rays in deep blue water, speargun along the body

Spearfishing

Hunt your own gourmet dinner.

 A sailboat seen through a sea cave arch

Bespoke

Underwater performances, pristine waters, and more tailored to you.

Destinations Florida SpringsGreeceBermudaHawaiiBahamasCatalinaFlorida KeysBespoke
A manatee in a sunlit Florida spring

Manatees

Dive with some of the most social, friendly, and majestic animals in the wild.

Wildlife

Every winter, when the Gulf turns cold, manatees come into Florida's springs, where the water stays 72 degrees all year and is crystal clear. You slip in quietly, stay calm, and let them decide what to do. Curious, refrigerator-sized, and impossibly gentle, they often choose to glide right up beside you. We practice passive observation, so every encounter happens on the manatee's terms.

  • The MomentA manatee gliding up beside you, close enough to count its whiskers.
  • WhereThe Florida Springs
  • WhenDecember to March
Read The Story Plan This Adventure
A manta ray gliding over the rubble floor of a cleaning station, deep blue water above

Manta Rays

Manta rays are elegant giants of the sea we dive with night or day.

Wildlife

Off the coast of Kona on the Big Island of Hawaii, manta rays come to the same reefs to be cleaned by small fish, circling slowly over the rocks. You take a breath, glide down, and hold still as a ray the size of a small car passes an arm's length away, eye to eye. After sunset, lights in the water draw the plankton, the plankton draws the mantas, and you freedive among them as they loop and feed in the glow.

  • The MomentFloating in the dark as a manta barrel rolls up through the light, straight toward you.
  • WhereKona, Hawaii
  • WhenYear round, by day and by night
Read The Story Plan This Adventure
A freediver in blue water with sharks passing above

Sharks

For the brave, freedive with sharks on their turf.

Wildlife

Freediving with sharks is a lesson in calm. Before you get in the water, we teach you how sharks behave and how to read their body language. Once you're in, a dedicated safety diver watches over you the whole time. Most guests come home with a new respect for sharks, and a thrilling story to tell.

  • The MomentHolding still in the blue as a shark glides past a few feet away and goes on its way.
  • WhereHawaii, the Bahamas, and more
  • WhenYear round
Plan This Adventure
An open wooden chest of gold coins in lamplight

Treasure

Follow clues and find real treasure, then commission your jeweler.

Exploration

It begins with a map and a trail of clues, and it ends with real treasure in your hands. Your party follows the clues across the water, dives the sites together, and brings up a hidden chest. Then a master jeweler fashions what you found into a piece you will wear for life, so the adventure's memento comes home with you.

  • The MomentBrushing the sand from the lid of the chest, exactly where the last clue pointed.
  • WhereAnywhere. Some favorites include Greece and Hawaii.
  • WhenYear round. June to October in Greece.
Plan This Adventure
A sunken ship standing upright on the sand in deep blue water, its wheelhouse rising toward the light

Shipwrecks

Explore a mysterious shipwreck and the secrets it reveals.

Exploration

A shipwreck is a story you can swim through. You glide down a line to the deck of a ship that has become a reef, past the wheelhouse and along the rail, as fish pour through the portholes. We choose wrecks within the depths you have trained for. A wreck pairs well with a treasure hunt, too.

  • The MomentHovering over the bow, the whole ship laid out below you in the blue.
  • WhereThe Bahamas, Bermuda, Greece, and more
  • WhenAll year. Best options from June to September.
Plan This Adventure
Octopus hanging to dry outside a Greek taverna

Delicacies

Catch and cook with artisan chefs: Octopus, lobster, and more.

Heritage

In Greece, octopus is caught by hand or trap, tenderized on the rocks, hung in the sun, and grilled over charcoal. You do all of it: Learn to find octopus, bring one up on one breath or catch one in a trap, then learn the old way from a renowned chef who cooks it for your table that night. In the Florida Keys it is spiny lobster. The principle is the same, and so is the feast.

  • The MomentThe first bite of something you caught that morning.
  • WhereGreece, the Florida Keys, and beyond
  • WhenMay, June, and October for Greek octopus, August to March for Florida lobster
Plan This Adventure
Rows of young star coral growing on a nursery rack in turquoise water, a diver’s fins and a fish above

Restoration

Plant coral to restore a reef, and other science expeditions.

Contribution

Reefs can be replanted, one coral at a time. You visit an underwater nursery where young corals grow on racks like a hanging garden, then carry your own out to the reef and fix them in place by hand. Years from now, a living piece of reef will be growing in the Florida Keys because you were there. Other science expeditions work the same way: Your party lends researchers a hand in the field.

  • The MomentPressing a young coral onto the reef and knowing it will add to a flourishing habitat.
  • WhereThe Florida Keys
  • WhenYear round. Spring is best.
Plan This Adventure
Pearls resting in open oyster shells, close up

Pearl Diving

Dive for oysters the way the Ama of Japan have for two thousand years.

Heritage

The Ama, Japan's legendary sea women, dive on a single breath with no more gear than you will carry. You learn to find and gather oysters the way they do, surface with your catch, and open it to see what's inside. Chances are, it's tonight's delicious appetizer, but if there's a pearl, your family will treasure it for generations.

  • The MomentFeasting on an oyster you brought up yourself.
  • WhereJapan and French Polynesia
  • WhenSpring to autumn in Japan, year round in French Polynesia
Plan This Adventure
A cluster of yellow tube sponges on a reef in deep blue water

Sponge Diving

Harvest natural sponges as Greek divers have since antiquity.

Heritage

Long before scuba, the Greek islands sent divers down on one breath to cut sponges from the rock, and the trade made whole islands rich. You dive where it was born, learn how it was done, and cut your own natural sponge, which we clean and cure for you to take home. Sponge diving is a way to experience a part of antiquity in your own body.

  • The MomentSurfacing with a sponge in your hand, the way Greek divers did thousands of years ago.
  • WhereKalymnos in Greece, and Florida
  • WhenMay to October
Plan This Adventure
A spearfisher descending through sun rays in deep blue water, speargun along the body

Spearfishing

Hunt your own gourmet dinner.

Heritage

Spearfishing on one breath is the most selective way to fish there is: One diver, one fish, chosen by eye. Brandon Zeek, an FII instructor trainer shaped by six years living on Catalina Island, teaches you to hunt quietly, choose your fish, and take your shot. Then, a chef turns your catch into dinner, and nothing has ever tasted better.

  • The MomentLying still on the bottom while the fish you chose swims into range.
  • WhereCalifornia, Hawaii, Florida, Greece, and beyond
  • WhenYear round, the fish changing with the seasons
Plan This Adventure
A sailboat seen through a sea cave arch

Bespoke

Underwater performances, pristine waters, and more tailored to you.

Made For You

Pristine waters unreachable by conventional means. A reunion on a private island. A singular underwater performance staged just for you. If it happens in, on, or under the sea, our team and our network of freediving professionals and select artists from around the world can very likely make it happen. Share the dream with your travel advisor or with us, and we will design the adventure around you.

  • The MomentThe look on everyone's faces when they realize it was made just for them.
  • WhereAnywhere in, on, or under the sea
  • WhenWhenever suits you
Plan This Adventure

Pride & Praise

I had no idea what my own body could do. Apparently, I can dive 65 feet deep on one breath!Tim, Ohio
Swimming with manatees was not on my bucket list, but oh my God! I will never forget that day.Mohammed, New York
When it comes to safety, Costa's team know their stuff. I trust them with my life.Kristin, New York

Your Adventure Awaits

Ask your travel advisor to get in touch with us, or reach out directly. We are at your service.

Bespoke Adventures from $50,000

Private Courses from $10,000

Courses Reach Out