We track 15 dive operators in Oslofjord. 5 teach certification courses (4 PADI, 2 IANTD). Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
Oslofjorden Dykkesenter is located at Vollen Marina and offers a variety of diving courses ranging from beginner levels to instructor training. The center provides equipment rental, air fills, and organizes diving trips.
Dykkerhuset has provided diver training since 2003 and operates a dive shop and service workshop. The center offers various diving courses and organizes weekly club dives.
Prodykk Oslo is a dive center located in the Oslofjord region offering a wide range of diving courses from beginner to instructor levels. The center provides training through the SSI system and conducts activities throughout the year.
Halden Dykkersenter provides diving training and education with a focus on safety. The center operates a retail store selling diving equipment and offers a variety of courses ranging from beginner to professional levels.
NYD Subsea Training Centre is an educational institution located in Fagerstrand, Norway, with a 5-star rating from 31 reviews. They are open Monday to Friday from 8:00 AM to 4:00 PM and offer wheelchair accessible parking and entrance.
Divestore Norway AS is a dive center and school located in Drøbak. The center offers diving equipment, air and nitrox fills, and training courses for all experience levels.
The 8 highest-ranked of 15. How Fin Rank works
| Rank | Operator | TripAdvisor | Discovery dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Oslofjorden Dykkesenter | 5.0(1) | none | none | IANTD · PADI | Visit |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 15 dive operators in Oslofjord. 5 of them run certification courses.
PADI is the most common agency (4 centres), followed by IANTD (2). SSI, CMAS also appear.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
| 2 | Dykkerhuset | 4.8(38) | none | none | SSI | Visit |
| 3 | Prodykk Oslo | 4.4(61) | 5.0 | none | PADI · SSI | Visit |
| 4 | Halden Dykkersenter | none | none | none | IANTD · PADI | Visit |
| 5 | Stavern Dykkersenter | 4.6(12) | none | none | none | Visit |
| 6 | NYD Subsea Training Centre | 5.0(31) | none | none | none | none |
| 7 | Divestore | none | none | none | PADI · CMAS | none |
| 8 | Prodykk Oslo As | none | none | none | none | none |