Scuba diver in the blue ocean watching a shark as it approaches
Brazil flag

Mathaaus Adventure

Florianopolis, Santa Catarina, Brazil

SDI
TDI
PFI
ERDI

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Divers

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Switzerland flag

Mathieu Porraro Technical

Signy, Canton De Vaud, Switzerland

SDI
TDI
PFI

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Divers

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United Kingdom of Great Britain flag

Matthews Sharks

Hemel Hempstead, UK

PADI
SSI

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Divers

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Sites

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Austria flag

Mauges Tauchzentrum Ossiachersee

Annenheim am Ossiachersee

SSI

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Divers

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Sites

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Logs

Saudi Arabia flag

Max Deep

Jeddah

SSI

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Divers

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Sites

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Logs

Indonesia flag

Max's Dive Centre

Batam, Indonesia

PADI

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Divers

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Italy flag

Maxi Sport S.p.a.

Lissone

SSI

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Honduras flag

Mayan Divers

West Bay, Honduras

PADI

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Divers

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Logs

United Kingdom of Great Britain flag

Mayim Mermaid Academy

Poole

SSI

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Divers

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Belgium flag

Medusa

Bruges, Belgium

PADI

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Divers

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Spain flag

Medusadive

Barcelona, Spain

PADI

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Divers

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Maldives flag

Meedhoo Scuba Club

Meedhoo, Addu City

SSI

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Divers

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Logs

Greece flag

Meltemi Dive Centre

Ios Island

SSI

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Divers

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Sites

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Logs

Spain flag

Merak Diving

Mahon Menorca

SSI

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Divers

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Sites

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Belgium flag

Merdreams

Gent

SSI

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Divers

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Brazil flag

Mergulho & Dive trips by Ovinho

Salvador, Bahia, Brazil

SDI
TDI
PFI

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Divers

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Brazil flag

Mergulho Tecnico

Sao Paulo, Sao Paulo, Brazil

PFI

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Divers

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Logs

Indonesia flag

Meridian Adventure Dive

Raja Ampat, Indonesia

PADI

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Divers

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Sites

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Logs

Turkey flag

Meridian Adventure Dive & Watersports Club

Izmir, Turkey

PADI

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Divers

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Sites

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Logs

Aruba flag

Mermaid Dive Center

Noord, Aruba

SDI
PFI

-

Divers

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Sites

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Logs

United Arab Emirates (the) flag

Mermaid Diving Center - Rixos The Palm - Dubai

Abu Dhabi, United Arab Emirates

PADI

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Divers

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Sites

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Logs

Argentina flag

Mermaid Paradise and Freediving

CABA

SSI

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Divers

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Argentina flag

Mermaid World

Lanus Oeste

SSI

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Divers

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Thailand flag

Mermaids Bangkok

Bangkok, Thailand

RAID

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Mozambique flag

Mermaids Cove Ei

maputo

SSI

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Mauritius flag

Merman Diving

Grand Baie, Mauritius

RAID

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Portugal flag

Mero Diving Center Madeira

Caniço

SSI

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Spain flag

Mero Diving, Cala Ratjada

Cala Ratjada

SSI

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Iraq flag

Mesopotamia Diving

Basra

SSI

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Brazil flag

Meu Mergulho

Sao Bernardo do Campo, Sao Paulo, Brazil

PFI

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Mexico flag

MexiDivers

Tulum, Mexico

PADI

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Divers

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Mexico flag

Mexican Diver Cozumel

Cozumel, Mexico

PADI

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Divers

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Mexico flag

Mexico Divers

Isla Mujeres, Quintana Roo, Mexico

SDI
TDI
PFI

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Divers

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United States of America (the) flag

Miami-Dade Fire Rescue Dive Rescue Bur.

Doral, Florida, United States

PFI

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Divers

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Sites

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Logs

United States of America (the) flag

Michigan Adventure Diving

Milan, Michigan, United States

SDI
TDI
PFI

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Divers

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Logs

United States of America (the) flag

Michigan Diving Center

Spring Lake, Michigan, United States

SDI
TDI
PFI

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Divers

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Logs

United States of America (the) flag

Michigan FreeDiving

Traverse City, United States

RAID

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Divers

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Sites

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United States of America (the) flag

Michigan State Police Marine Team

Lansing, Michigan, United States

PFI

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Divers

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Sites

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United States of America (the) flag

Middletown Scuba

Middletown

SSI

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Divers

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Sites

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Logs

United States of America (the) flag

Midwest Diving Specialists

Bloomington, United States of America (USA)

PADI

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Divers

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Sites

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Logs

United States of America (the) flag

Midwest Misfits Training LLC

Omaha, Nebraska, United States

PFI

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Divers

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Sites

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Logs

United States of America (the) flag

Midwest School of Diving

White Bear Lake, Minnesota, United States

SDI
TDI
PFI
ERDI

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Divers

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Logs

United States of America (the) flag

Midwest Scuba Center

Urbana, Illinois, United States

SDI
TDI
PFI
ERDI

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Divers

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Netherlands (the) flag

Militaire Duikvereniging

Darp

SSI

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Divers

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Taiwan (Province of China) flag

Mimic Diving Center

Pingtung County, Pingtung, Taiwan

SDI
TDI
PFI

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Indonesia flag

Mimpi Resort Menjangan

Banyuwedang & Pemuteran, Indonesia

PADI

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Divers

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Logs

France flag

Mio Palmo plongée

Cavalaire and Sainte Maxime, France

PADI

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Divers

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Logs

Slovakia flag

Mionex Diving

Banska Bystrica, Slovakia

SDI
TDI
PFI

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Logs