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Category: Diving general

Scuba diving Tenerife › Diving general
Boat Diving Las Galletas: Best Sites (3–15 min)

Best Boat Dive Sites near Las Galletas (3–15 min)

31 Aug
0 202 Post by

Boat diving Las Galletas puts 30+ sites within 3–15 minutes of our mooring (a short ~30 m walk from drop-off). Below are five popular choices—what they’re like, why divers love them, and a few planning tips. Learn more about the town of Las Galletas.

New to our boat trips? See our page Boat Diving Tenerife (daily morning departures) and local logistics in Las Galletas mooring & logistics.

1) Los Chuchos

Theme: Rays, sandy patches, reef life

Why divers love it: Frequent ray sightings over light sand make for relaxed, photogenic dives. You’ll also find bream, barracuda passing by, and macro along the rocky edges.

Good to know: Gentle profile that suits most certified divers. We brief positioning and approach to minimise stress on marine life.

2) Los Champiñones

Theme: Dramatic lava “mushroom” formations

Why divers love it: The sculpted volcanic rock creates arches and silhouettes that look great in photos. Expect wrasse, trumpetfish, and the occasional octopus hiding in the cracks.

Good to know: Navigation is straightforward with our map briefing; stay aware of buoyancy around overhead shapes.

3) Palm Mar Cave

Theme: Cavern ambiance & light beams

Why divers love it: When the sun angle is right, light shafts make this a favourite for photographers. Reef walls nearby host morays and nudibranchs.

Good to know: We brief limits and communication clearly so everyone enjoys the cavern safely and comfortably.

4) El Condesito (Wreck)

Theme: Historic coastal wreck & reef

Why divers love it: A classic Tenerife wreck site with plenty to explore around the structure and adjacent reef. Fish schools gather here and you’ll often spot trumpetfish and lizardfish.

Good to know: Conditions vary; we choose the day’s route according to experience and sea state.

5) Montaña Amarilla

Theme: Golden cliffs, arches & reef life

Why divers love it: Volcanic shapes and colour contrasts make this a beautiful, easygoing dive with lots to see for newer and experienced divers alike.

Good to know: Expect mellow exploring and time to enjoy the scenery; nice for relaxed holiday diving.

Boat diving Las Galletas with Aquarius — morning departure
Morning boat diving from Las Galletas — two different sites in one outing.

Plan Like a Pro: Boat Diving Las Galletas

We run one morning outing at 09:00 with two different sites and usually return around lunchtime. Transfer from the dive center to Las Galletas takes about five minutes in our VAN, and the mooring is roughly 30 m from the drop-off. Divers carry their own kit — including cylinders — that short distance. If you’d like Nitrox (typically 32%), please request it when booking. Briefings include clear maps so everyone knows the route and safety points, and we keep groups small for comfort.

  • Tell us your wish-list sites early: we pair the day’s two dives to match conditions and experience on our boat diving Las Galletas outings.
  • Keep your kit compact: bring a small deck bag/drybag and label loose items for quick, tidy boarding.
  • Photo notes: Palm Mar Cave is great for sun-beams; Los Champiñones rewards steady buoyancy around lava shapes.
  • Wildlife etiquette: at Los Chuchos, enjoy rays from a respectful distance and avoid fin-kicking the sand.
  • Comfort tips: hydrate, have a light snack between dives, and consider motion-comfort if you’re wave-sensitive.

Ready to explore these sites?

Daily departures from Las Galletas at 09:00 — two different sites in one outing.

Boat Diving Tenerife Diving Prices

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Categories: Diving general
diving with angel shark

Angel shark

27 Feb
0 952 Post by

Angel shark

The angel shark is a fascinating species of shark that belongs to the family Squatinidae. It is also known as the monkfish or the angel shark, and it is one of the most unique and unusual looking sharks in the world.

Angel sharks are flat-bodied sharks that are perfectly adapted to life on the ocean floor. They have broad, flattened bodies that allow them to blend in with their surroundings and avoid detection by predators. Their body shape also makes them excellent ambush predators, as they can lie completely motionless on the sea floor, waiting for their prey to come close before striking.

Another unique feature of the angel shark is its ability to partially bury itself in the sand or mud, leaving only its eyes and the top of its body exposed. This allows the shark to remain hidden from prey and predators alike, and it also makes it difficult for humans to spot them.

Were do we spot Angel sharks

Angel sharks are generally found in shallow, sandy areas in temperate and tropical waters around the world. They are most commonly found in the western Atlantic Ocean like the Canary islands, but they can also be found in the Mediterranean Sea and eastern Pacific Ocean.
In the winter period, the angel shark is a common sighting while diving in Tenerife.

Conservation efforts

Despite their relatively harmless nature, angel sharks have been hunted extensively for their meat, oil, and fins. This has led to a significant decline in their populations, and they are now considered endangered in many areas.

Conservation efforts are currently underway to protect the angelshark and ensure that its populations recover. These efforts include restrictions on fishing, habitat conservation, and education programs aimed at raising awareness about the importance of these unique and valuable creatures.

In conclusion

The angel shark is a fascinating species of shark that has adapted to life on the ocean floor in remarkable ways. Its unique body shape and behavior make it a truly remarkable creature, but it is also under threat due to human activities. It is up to us to take action to protect these incredible animals and ensure that they can continue to thrive in our oceans for generations to come.

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Categories: Diving general, Tenerife
how to calculate sac and rmv

SAC and RMV

02 Jan
0 4783 Post by

SAC and RMV

SAC stands for Surface Air Consumption and RMV for Respiratory Minute Volume. Your SAC rate is to measure the amount of gas consumed in bar while you are breathing for one minute on the surface. While the RMV measure the amount of gas consumed in liters per minute on the surface. Note, in our examples we will use the metric system, meter, bar and l/min.

Keep in mind, that your SAC rate is cylinder specific. If your SAC rate was based on the use of a 12 liter cylinder but you change for example to a 15 liter, than you need to recalculate your SAC rate.

The benefit of knowing how to calculate SAC and RMV rate is that you can use these values during your dive (gas) planning. This is as well for a recreational as for a technical diver an important aspect because running out of gas is one of the most common issues in diving incidents.

Time needed: 4 minutes.

How to calculate SAC and RMV

  1. Check consumed gas

    Check the amount of gas you consumed in bar during the dive or period of measurement, start pressure minus end pressure.

  2. Note the average or maximum depth

    For a complete dive you can use the average depth. For a period of measurement at a constant depth use this depth, both depths are in ATA.

  3. Determine the time

    Use the total dive time for a complete dive or the time, i.e. 10 minutes for a period of measurement at a constant depth.

  4. Calculate total bar used / total dive time = bar per minute used

    i.e. 200 - 150 bar / 10 min. = 5.0 bar per minute used

  5. Calculate average or maximum depth in ATA

    (depth / 10 m) + 1 = Atmospheres Absolute (ATA)
    i.e. (20 m / 10 m) + 1 = 3 ATA

  6. Calculate SAC

    SAC = (total bar used / total dive time) / (average or maximum depth in ATA)
    i.e. (200 - 150 bar / 10 min.) / (20 m / 10 m) + 1
    i.e. SAC = 5 / 3 = 1.67 bar/min.

  7. Calculate RMV

    RMV = SAC x Cylinder size in liter, i.e. 10 liter, 12 liter, 15 liter
    i.e. RMV = 1.67 x 12 = 20 l/min.

How long does a 12 liter cylinder last with 120 bar at 30 meter and your RMV is 18 l/min?

To find the answer, determine how many liters you consume at 30 m, 18 l/min x 4 ATA = 72 l/min. Calculate your total gas, 12 x 120 bar = 1440 liter. 1440 / 72 = 20 minutes. The answer is 20 minutes.

Is one time determining SAC / RMV enough?

It is better to determine your SAC and RMV over multiple dives and under different conditions. i.e. current, warm and cold water, limited and good visibility, effort, at rest, etc. With this approach you will get a more accurate average SAC and RMV rate.

Is there a best SAC / RMV rate?

There is no such thing as a best SAC or RMV rate however you see that there is an average RMV of 20 l/min at work and around 15 l/min at rest. But don´t take these numbers as a fixed value, calculate yours and work with it.

For what stands SAC and RMV

SAC stands for Surface Air Consumption and RMV stands for Respiratory Minute Volume.

We wish you a good SAC and RMV calculation, last but not least safe and awesome diving!

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Categories: Diving general
diving links

diving links

24 Aug
0 2137 Post by
On this page you will find a handy selection of links relating to the following themes; scuba diving, snorkeling, Tenerife tourist information, holidays and other water sport activities.
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Categories: Diving general
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