There seem to be several and they’re all in the central part of the city.

Aqua Sport APS S-5111
St. Kongensgade 116
Copenhagen K
DENMARK
DK-1264
Ph.: +45-33337799
Fax: +45-33162799

Amager Dykker Center S-5190
Amagerbrogade 8
Copenhagen S
DENMARK
DK-2300
Ph.: +45-32570905
Fax: +45-32570925

Dykkergitte S-5248
Tietgensgade 65
Copenhagen
DENMARK
1704
Ph.: +45-30649000

Kingfish Dive & Travel S-5224
Tullinsgade 4
Copenhagen
DENMARK
1618
Ph.: +45-33794657
Fax: +45-33794657

ScubaGear S-5260
Lindgreens Allé 20 J
København S
DENMARK
2300
Ph.: +45-32544880
Fax: +45-32542410