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5 Reasons Divemasters are Superheroes.

 1) Super Strength.  The physical condition of divers can become seemingly impeccable; they are constantly swimming. According to, diving burns a moderate to high number of calories and increases cardiovascular endurance. Furthermore, swimming ‘streamlined’ demands the engagement of various muscles-- “Scuba diving allows one to target specific muscle groups particularly in the legs, glutes, [...]

Meet the Eel.

The eel may seem frightening, especially when encountering its barred teeth and apprehensive stare underwater. But underneath the hisses, and bulging eyes, lies an intriguing character— there’s a lot more to the eel than meets the eye. What, exactly, is an eel? There are over 400 eel species. Their long, narrow bodies closely resemble an [...]

Deptherapy – Teaching Scuba Diving to People with Different-abilities

On the 8th of April 2015, Oceans Unlimited, a PADI 5 Star Instructor Development Dive Resort, became the first scuba diving center in Costa Rica to host a Deptherapy Instructor Course.  Deptherapy is a unique branch of scuba training that enables people with a wide range of disabilities and impairments to learn to scuba dive. [...]

Divemaster to Instructor… And so it begins

When I started out on my travels 7 month ago I really didn't think that by the time I returned home to England I would have progressed with my PADI learning. There was obviously something in the water!  Having just completed my Divemaster course I was excited to look for work in my native Cornwall as well as other, [...]

Earth Day 2015: What can Divers do to Help the Marine Environment?

Since the first Earth Day in 1970, over 192 countries worldwide have joined in the movement to demonstrate support for environmental protection. Being that the ocean accounts for 70 percent of the Earth’s surface, it only makes sense that we use this day to shed light on marine issues locally, as well as globally. It [...]

Harlequin Shrimp: Small but Fierce

  Peering into a crevice, you stumble upon what looks to be a beautiful underwater flower. Taking a closer look, you notice it has legs and its holding a starfish captive. What is this unique little creature? It’s a Harlequin shrimp, also known as Hymenocera picta. These flamboyant shrimp can be found in tropical waters of [...]

Post Semana Santa Clean Up!

#Divefordebris We all love going to the beach, swimming in the sea, and keeping our eyes open for any local wildlife including: dolphins, turtles and sea birds.  But how much do we actually do to keep Quepos and the surrounding area of Manuel Antonio clean?   Oceans Unlimited and Go Pro Costa Rica, are happy to announce our [...]

Fish are Friends, Not Food

We depend on the ocean not only for food and to sustain our livelihoods, but also for the oxygen we breath and require for survival. Before humans existed, before the first vertebrates ever stepped foot on land, life existed in the ocean. Sharks have survived for 450 million years, 449,800,000 years before the first human [...]

Day 9 of 12: EFR Instructor Training

I never thought I would get certified to teach CPR and first aid training, but then again if you asked me a few years ago if I wanted to be a scuba instructor I would have said no.We got a late start this morning but it was marvelous to be able to sleep in. My [...]

Dive Lights, Yes you need one!

Do you recall a time when you were diving in clear water during the day and could have used a dive light to peer into crevices and caves to see what was lurking in the dark? Or maybe you wanted to get your buddy’s attention and were not carrying a traditional tank banger. Tapping the [...]