Krk Island · Glavotok · I.R.T.D.A. d.o.o.
Diving in a bay
between Malinska and
Valbiska
A diving center in an idyllic bay by Glavotok campsite. A reef with five steep walls starts right in front of the base — while our half-day and full-day boat trips take you further around the Kvarner.
Since 1993
A family business at the heart of Kvarner
We’ve run I.R.T.D.A. d.o.o. on Krk since 1993 — the Correct Diving diving center, diver education from beginner to instructor level, a service workshop, and Mare Vivum, our marine biology station. What we’re proudest of: the quality of every program, confirmed to us again and again, season after season, by guests and professional testers alike.
— Branko Gašpar
Trips & dives
On the water every day, with two kinds of trips
Kvarner’s reefs, wrecks and caves are within half an hour by boat. We pick the site based on the wind and who’s on board that day.
Half-day trip
One dive at a chosen site, departing in the morning or afternoon. Tank, weights and guide included.
Full-day trip
Two dives with a break in between, at two different sites. Return to base in the afternoon.
House reef
Five steep walls right in front of the base — shore entry, no schedule and no waiting for a boat.
Discovery Dive
Your first breath underwater, one-on-one with an instructor
A short briefing, practice in shallow water, then a guided dive on the house reef. No experience and no equipment needed — just a swimsuit and a towel.
- Takes about three hours, with a theory introduction
- Full equipment included in the price
- Counts as the first dive of the SCUBA Diver course
Book accommodation
Apartments and houses near the base
We offer several apartments for 2 to 6 people, with the option of housing larger groups in the same house. Mobile homes and bungalows are also available right in Glavotok campsite.
- 1-bedroom apartment with kitchen and terrace — two people
- 2-bedroom apartment with kitchen and terrace — four people
- House with pool, capacity 36 people (9 apartments for 2 to 6 people)
Education
From your first dive to an instructor license
Thirteen levels of education plus 26 specialty programs, including Nitrox, Trimix and rebreather up to instructor level.
1 day
Snorkel Diver
Breath-hold breathing and safe movement on the surface — the starting point for apnea.
2 days
Apnea
Equalizing, relaxation and safety procedures for breath-hold diving.
3 hours
Discovery Dive
A guided dive with no experience needed, one-on-one with an instructor.
3 days
SCUBA Diver
The first certification for diving accompanied by a guide. Theory and four dives.
5 days
Open Water Diver
Independence down to eighteen meters with a buddy. Our most popular course.
1 day
Medic First Aid
First aid and resuscitation — a prerequisite for Rescue Diver and the professional levels.
1 day
Oxygen Provider
Administering oxygen in a diving accident: equipment, dosage and procedure.
26 programs
Specialty & Seminars
Nitrox, Trimix, rebreather, navigation, dry suit, wrecks and photography.
2 weeks
Assistant Instructor
Preparation for the instructor exam — methodology, theory and teaching practice.
3 weeks
Instructor (IRTDA ITC)
A maximum of six candidates per group, supported by a staff instructor.
Where we dive
Walls, wrecks and caves of Kvarner
House reef
Five steep walls in front of the base, with shore entry.
Wrecks
Sunken ships of the Kvarner, at recreational and technical depths.
Cave dives
Passages and vaults for divers with advanced experience.
Night dives
By arrangement with guests, at one of the sites near the base.
Multi-day trips around the Adriatic
Safaris for groups and clubs, with a plan arranged individually.
Dive sites
Our favorite places beneath the surface
From the instructive house reef in front of the base to wrecks, caves and walls across the Kvarner — we pick the site based on experience, weather and what you want to see.
Lina Wreck
An 80-metre steel steamship, at a depth of 27 to 52 metres — one of our best sites. There’s also a beautiful shallow cave near the wreck.
Peltastis Wreck
A ship 60 metres long and 9.1 metres wide, at a depth of 16 to 32 metres — recommended for divers with at least 40 dives. The wreck near Šilo is about a 10-minute boat ride away; the propeller lies in the sediment at 32 metres, and we often spot moray eels near the bow.
Sigrid Wreck
A ship 72 metres long and 11 metres wide, at a depth of 16 to 25 metres — recommended for divers with at least 40 dives.
House Reef — Lokva Bay
Six walls right in front of the base, from 12 to 42 metres deep. An ideal site for courses, with an underwater educational trail, an old admiralty anchor and a WWII underwater mine.
St. Peter Bay
A second site in front of the campsite, with an underwater park for practicing buoyancy in shallow water. A wall down to 33 metres, rich in grottoes and occasional moray eels, with the odd encounter with tuna and bonito.
Glavotok
A steep and beautiful wall, just 500 metres from the base.
Mali Plavnik
A beautiful site full of caves and walls that drop into the deep. Here we often spot sea slugs, conger eels and scorpionfish.
Lorelei
A rock near the island of Cres with a WWI naval mine sticking out of it. The site is also known for its abundance of fish.
Big Cave
A huge underwater cathedral, about 35 metres long and 10 metres high, richly overgrown. Before and after the entrance stretches a dreamlike topography, followed immediately by a steep wall vanishing into the blue. An additional cave for more experienced divers lies nearby, on the island of Cres.
Indianerfels
One of the most beautiful sites on the island of Plavnik, with a variety of caves and a wonderful wall to explore.
Plavnik Love Cave
A steep wall with many small caves. At the end of the dive you can dive or swim to a romantic cave with a sheltered beach.
Kormati Islands
A varied site with seagrass and a fantastic underwater world — a place that surprises us anew every time.
Cannons at Plavnik
The remains of 18th-century cannons from an old sailing ship, arranged as if still guarding the island from attack by sea — an unforgettable sight.
Mafiawrack
A beautiful bay with steep walls full of life; a small wreck of a sport boat lies at the bottom.
Blue Marlin Cave
A beautiful cave and a fantastic site full of marine life.
Tunnel at Prvić
A dream site — a tunnel running right through the island. Entrance at 16 metres, exit at about 5 metres deep.
Chimney (Cres)
A tunnel rich in fish schools and lush nature.
Plavnik Plateau
Plateaus at various depths, full of subjects for macro and micro photography enthusiasts.
Krusija Bay
Beautiful walls that bring new challenges in perfect blue water.
Sika Kormati
Diving on the reef creates an unusual and magical experience — unforgettable dives.
Sika Negrit
Diving on the reef creates an unusual and magical experience — unforgettable dives.
Komostrin
An ideal place to gain your first diving experience. Beautiful vegetation, alternating rocks and seagrass meadows.
Sveti Juraj
A WWII minefield, with mines at 7, 14 and 21 metres deep. One mine leans against a small wall, and the keel of a landing craft lies in the middle of the bay.
Bracol
A steep wall in a beautiful spot; at a depth of 25 metres it hides a wreck.
Biskupić
A fantastic spot for beginners. It starts in a shallow bay surrounded by a rocky outcrop and gradually descends to a small wall at 18 metres deep.
Plići Tenki
A dream underwater reef, with steep walls and a tunnel about 5 metres long at nine metres deep. After the tunnel, a richly overgrown landscape opens up, home to moray eels and other fish. The reef descends from 3 to 40 metres deep.
Cape Pelova
A site that shouldn’t be missing from any dive log — this is also where we do our most beautiful night dives.
Cape Manganel
Fantastic steep reefs rising individually from the sandy bottom.
Trokul
A branch of the steep wall by the reef near the lighthouse.
Beli
A spectacular, huge steep wall descending to 40 metres, plus a hidden cave.
Cape Jablanac
For depth lovers — encounters with moray eels are almost guaranteed here, along with the reef’s beautiful colours.
Kamenjak Reef
Two reefs 25 metres apart. The first reaches down to 25 metres and teems with fish, crabs, sea snails and octopuses. The second starts at 2 metres and drops to 35, also known for rare white sulphur sponges. Currents are almost never present here.
Grotto / Chimney at Vrbnik
A tunnel connected to the sea surface, near Vrbnik on the island of Krk. Entrance at 15 metres deep, about 25 metres long in total — partially lit by daylight through an opening in the ceiling. Home to various sea snails, fish, crabs, octopuses and mussels.
Sv. Marak
A dream bay with two dive sites: a steep wall with a cave and a small wreck at the entrance, and a smaller wall with grottoes and hermit crabs. A WWII aircraft wreck also lies nearby.
Grotto (Cres) — Chimney
A breathtaking large cave, with an entrance at 17 metres and exits at 3 and 4 metres deep. The wall drops to 45 metres, with many smaller caves inhabited by fish. Large schools are often encountered here too.
Drunken Dwarf
An excellent site that starts with a steep wall of rich vegetation — guests describe it as unforgettable. The wall drops to 35–40 metres. On the way back, at 3 metres deep, you pass through a submerged tunnel whose collapsed ceiling creates a play of light; below it is a smaller steep wall with a small dwarf statue.
Selezine
A spectacular wall at the entrance to the channel, known for its fields of gorgonians. Tuna, bonito and sharks regularly pass through here while hunting.
Service & equipment
The workshop is open
through winter too
From November to the end of March, the office is open 8am—4pm. Service, cylinder testing and the tailoring shop accept equipment outside the season too.
Diving equipment service
Regulators, buoyancy compensators and dive computers — servicing, parts and testing.
Diving compressors
Air and nitrox fills, compressor servicing and air quality analysis.
Pressure vessel testing
Periodic inspection and stamping of cylinders, with visual inspection and valves.
Equipment sales
Equipment and technology for divers, centers and clubs, with advice on choosing.
Equipment rental
From mask and snorkel to compressor — complete equipment in all sizes.
Beyond diving
Programs for days without diving
SUP
Stand up paddling for all levels, with boards for rent by the hour or day.
Marine biology
Programs for children, school classes, clubs and divers, including species identification.
Price list
Booking
Let us know when you’re arriving
We reply the same day. Since groups are limited to six people, we recommend booking at least a week in advance.
kontakt@correct-diving.com
+385 51 869 148
+385 91 796 4656
Address
Glavotok 4, 51500 Krk, Croatia
Opening hours
April — October: 9am—6pm
November — March: 8am—4pm
Inquiry / booking
Join the team
We’re hiring for the season
Instructors, dive guides, service and support staff — join our young, active and international team. If you love the sea and working with people, get in touch.