Where to Dive in May

The best scuba diving destinations with excellent conditions this month

Excellent Diving

7-10°C 20-30m (peak clarity) Mild

Highlights: Peak season for the iconic green color and clarity

Nemo 33
Belgium
20-22°C 10-15m None

Highlights: Stable temperature, excellent visibility

TODI
Belgium
20-22°C 10-15m None

Highlights: Stable temperature, excellent visibility

Vrelo Bune
Bosnia and Herzegovina
14-17°C 25-35m Mild

Highlights: Excellent visibility, abundant aquatic life

Ojamo Mine
Finland
4-5°C 10-20m None

Highlights: Stable, clear water year-round. Excellent for technical diving and exploring mine shafts.

15-17°C 20-25m Mild

Highlights: Excellent visibility, abundant fish life, potential for sea turtles

14-18°C 18-25m Mild
Silfra Fissure
Iceland
2-4°C 30-100m None

Highlights: Crystal clear ice diving, unique geological formations

16-19°C 25-35m Mild

Highlights: Abundant marine life, good for spotting larger fish

16-19°C 25-35m Mild

Highlights: Abundant marine life, good for macro photography

Gozo
Malta
19-21°C 30-40m Mild

Highlights: Excellent visibility, vibrant marine life

Comino
Malta
18-21°C 25-35m Mild

Highlights: Seabird nesting season

Saltstraumen
Norway
7-9°C 12-18m Strong Rainy

Highlights: Peak of spring bloom, excellent visibility and abundant wildlife

Gulen
Norway
8-11°C 20-30m Mild

Highlights: Peak plankton bloom, diverse marine life, good for macro photography

Porto Santo
Portugal
20-22°C 25-30m Mild

Highlights: Excellent visibility, potential for pelagic sightings

8-12°C 20-30m Mild

Highlights: Ideal conditions, comfortable temperatures and excellent visibility. Vibrant colors in the lake.

-1-1°C 20-30m Mild

Highlights: Ice melt begins, creating open water areas, abundant marine life

20-22°C 25-35m Mild

Highlights: Manta ray season, good for macro photography

17-19°C 25-35m Moderate

Highlights: Excellent visibility, potential for mobula rays and tuna

Ternopil Quarry
Ukraine
12-17°C 15-25m Mild

Highlights: Excellent visibility, vibrant plant life, fish spawning.

12-17°C 15-25m Mild

Highlights: Excellent visibility, vibrant plant life, fish spawning.

Saranda
Albania
19-22°C 25-35m Mild

Highlights: Abundant marine life, good for macro photography

Vlorë
Albania
19-22°C 20-30m Mild

Highlights: Good conditions for exploring shipwrecks

Ksamil
Albania
19-22°C 25-35m Mild

Highlights: Abundant small marine life, ideal for macro photography

Dhermi
Albania
17-20°C 20-25m Mild

Highlights: Seabird nesting season, potential for early marine life sightings

17-20°C 20-25m Mild

Highlights: Seabird nesting season, potential for early marine life sightings

Plansee
Austria
10-14°C 18-25m Mild
Klopeiner See
Austria
12-17°C 12-18m None

Highlights: Fish spawning season

12-17°C 12-18m None

Highlights: Fish spawning season

Weissensee
Austria
12-17°C 12-18m None

Highlights: Fish spawning season

12-16°C 15-25m None

Highlights: Abundant aquatic life

12-16°C 15-25m None

Highlights: Abundant aquatic life

Vodelée
Belgium
12-16°C 15-25m None

Highlights: Abundant aquatic life

Zilvermeer
Belgium
12-16°C 12-18m None

Highlights: Good visibility, abundant aquatic life

Put van Ekeren
Belgium
12-16°C 10-15m None

Highlights: Excellent visibility, diverse underwater life

Jablanica Lake
Bosnia and Herzegovina
14-18°C 12-18m Mild Rainy

Highlights: Fish spawning activity

Hutovo Blato
Bosnia and Herzegovina
15-19°C 10-15m Mild Rainy

Highlights: Abundant birdlife, amphibian activity

Prokosko Lake
Bosnia and Herzegovina
11-15°C 10-15m Mild Rainy

Highlights: Amphibian activity, insect larvae

Trebinje River
Bosnia and Herzegovina
12-15°C 12-18m Mild

Highlights: Fish spawning season

Boračko Lake
Bosnia and Herzegovina
12-16°C 15-25m None

Highlights: Fish spawning season, increased aquatic life activity

Tsarevo Region
Bulgaria
13-17°C 15-20m Mild

Highlights: Increased fish activity, start of invertebrate breeding

Istria
Croatia
16-20°C 20-25m Mild

Highlights: Abundant small fish, good for macro photography

Kvarner Bay
Croatia
16-20°C 20-25m Mild

Highlights: Abundant small fish, good for macro photography

17-20°C 20-25m Mild

Highlights: Seabird nesting season

17-20°C 20-25m Mild

Highlights: Seabird nesting season

Mljet Island
Croatia
17-20°C 20-25m Mild

Highlights: Seabird nesting season

Korcula Island
Croatia
17-20°C 20-30m Mild

Highlights: Seabed flora starting to bloom

Vis Island
Croatia
17-20°C 20-30m Mild

Highlights: Wreck diving season begins

17-20°C 20-30m Mild

Highlights: Seabed flora and fauna awakening

Lipno Reservoir
Czech Republic
12-17°C 12-18m Mild

Highlights: Good visibility, increasing fish activity, potential for seeing pike and perch.

Quarry Hracholusky
Czech Republic
13-18°C 15-20m Mild

Highlights: Good visibility, increasing fish activity, potential for seeing pike and perch.

Quarry Lomeček
Czech Republic
13-18°C 15-20m Mild

Highlights: Good visibility, increasing fish activity, potential for seeing pike and perch.

Vranov Water Reservoir
Czech Republic
12-16°C 12-18m Mild

Highlights: Abundant plant life, good visibility

Jesenice Dam
Czech Republic
12-16°C 12-18m Mild

Highlights: Abundant plant life, good visibility

Morava River
Czech Republic
12-16°C 10-15m Moderate

Highlights: Good visibility, active fish life

Øresund
Denmark
7-12°C 15-25m Mild

Highlights: Plankton blooms, good visibility

Lillebælt
Denmark
7-12°C 15-25m Moderate

Highlights: Good visibility, diverse marine life

Bornholm
Denmark
7-12°C 20-30m Mild

Highlights: Plankton blooms, vibrant underwater scenery

Faroe Islands
Denmark
7-10°C 20-30m Mild

Highlights: Puffin nesting season begins

Guldborgsund
Denmark
8-12°C 10-18m Mild

Highlights: Increasing marine life activity

Furesø
Denmark
8-12°C 7-12m None

Highlights: Increasing aquatic life

Pakri Islands
Estonia
6-10°C 10-20m Mild

Highlights: Seals often seen, good visibility

Rummu Quarry
Estonia
6-10°C 10-20m None

Highlights: Excellent visibility, exploring submerged structures

Väike-Pakri
Estonia
7-12°C 10-20m Mild

Highlights: Good visibility, start of seal sightings.

Hanko Peninsula
Finland
7-12°C 10-20m Mild

Highlights: Good visibility, start of seal sightings.

15-18°C 20-30m Mild

Highlights: Increased marine life activity, potential for nudibranch sightings

Corsica
France
15-18°C 25-35m Mild

Highlights: Abundant fish life, colorful anemones

27-29°C 20-30m Mild

Highlights: Manta rays still present, good for reef diving

Marseille
France
15-17°C 20-30m Mild

Highlights: Plankton blooms, good visibility for observing smaller marine life

10-14°C 12-18m None

Highlights: Good visibility, fish activity increases

Sundhäuser See
Germany
10-14°C 12-18m None

Highlights: Excellent visibility, diverse underwater life

Plansee
Germany
10-14°C 12-18m None

Highlights: Good visibility as algae blooms subside

10-14°C 12-18m None

Highlights: Good visibility for wreck penetration

Walchensee
Germany
10-14°C 12-18m None

Highlights: Clear water, good for exploring underwater landscapes

Santorini
Greece
18-21°C 20-30m Mild

Highlights: Seabird nesting season

Crete
Greece
18-21°C 20-30m Mild

Highlights: Early season marine life activity

Mykonos
Greece
18-21°C 20-30m Mild

Highlights: Clear waters, good for exploring shallow reefs

Zakynthos
Greece
19-22°C 20-25m Mild

Highlights: Loggerhead sea turtle nesting season begins

Rhodes
Greece
19-22°C 20-25m Mild

Highlights: Marine life becoming more active

Corfu
Greece
19-22°C 20-25m Mild

Highlights: Seabed flora and fauna becoming more vibrant

Kefalonia
Greece
18-21°C 20-30m Mild

Highlights: Excellent visibility, start of warmer waters

Chios
Greece
18-21°C 20-30m Mild

Highlights: Excellent visibility, start of warmer waters

Lesbos
Greece
18-21°C 20-30m Mild

Highlights: Excellent visibility, start of warmer waters

Kos
Greece
19-22°C 20-30m Mild

Highlights: Seahorse sightings begin

10-14°C 12-18m None
12-16°C 15-20m None
Donegal
Ireland
9-12°C 12-18m Mild

Highlights: Seabird nesting season begins

Galway
Ireland
9-12°C 12-18m Mild

Highlights: Seabird nesting season begins

Cork
Ireland
10-13°C 15-20m Mild

Highlights: Seabird nesting season begins

Kerry
Ireland
10-12°C 10-20m Mild

Highlights: Seals often seen

Clare
Ireland
10-12°C 10-20m Mild

Highlights: Dolphins are common

Wexford
Ireland
10-12°C 10-20m Mild

Highlights: Good for exploring shallow reefs

Waterford
Ireland
9-12°C 10-15m Mild

Highlights: Seabird nesting season begins

16-19°C 20-30m Mild

Highlights: Early sightings of pelagic species

Sardinia
Italy
16-19°C 20-30m Mild

Highlights: Seabed begins to teem with life

17-20°C 20-30m Mild

Highlights: Seabed flora in full bloom

17-20°C 20-30m Mild

Highlights: Abundant seagrass meadows

Cinque Terre
Italy
16-19°C 20-30m Mild

Highlights: Abundant posidonia meadows and diverse fish life

16-19°C 20-30m Mild

Highlights: Dolphins and pilot whales sightings increase

Porto Venere
Italy
16-19°C 20-30m Mild

Highlights: Abundant fish life, good for exploring wrecks

Irbe Strait
Latvia
7-12°C 10-20m Mild Rainy

Highlights: Good visibility, increasing marine activity.

The Baltic Sea
Lithuania
7-12°C 10-20m Mild Rainy

Highlights: Good visibility, increasing marine activity.

Lake Haute-Sûre
Luxembourg
12-16°C 12-18m None

Highlights: Abundant aquatic life

Rosport Reservoir
Luxembourg
12-16°C 12-18m None

Highlights: Abundant aquatic life

Malta North
Malta
18-21°C 20-30m Mild

Highlights: Good for wreck diving

Malta South
Malta
18-21°C 20-30m Mild

Highlights: Good for cave diving

Valletta
Malta
17-20°C 25-35m Mild

Highlights: Dolphin sightings increase

15-18°C 20-30m Mild

Highlights: Good visibility, potential for larger pelagics

15-18°C 20-30m Mild

Highlights: Good visibility, potential for larger pelagics

Bay of Kotor
Montenegro
17-20°C 20-25m Mild

Highlights: Early sightings of larger fish species

Budva Riviera
Montenegro
17-20°C 20-25m Mild

Highlights: Early sightings of larger fish species

Bar Riviera
Montenegro
17-20°C 20-25m Mild

Highlights: Early sightings of larger fish species

Ulcinj
Montenegro
18-20°C 20-25m Mild

Highlights: Seabird nesting season

Zeeland
Netherlands
10-12°C 10-15m Moderate

Highlights: Good visibility, diverse fish species

North Sea
Netherlands
10-12°C 10-15m Moderate

Highlights: Good visibility, diverse fish species

Vinkeveense Plassen
Netherlands
12-16°C 12-18m None

Highlights: Good visibility, abundant plant life

IJsselmeer
Netherlands
10-14°C 10-15m Mild

Highlights: Good visibility, abundant aquatic life

Boschmolenplas
Netherlands
12-16°C 15-20m None

Highlights: Excellent visibility, abundant plant life

Lake Ohrid
North Macedonia
13-18°C 20-30m None

Highlights: Abundant plant life, diverse fish

Lake Prespa
North Macedonia
12-17°C 18-28m None

Highlights: Excellent visibility, diverse flora and fauna

Lofoten
Norway
7-9°C 12-18m Mild Rainy

Highlights: Spring bloom begins, increased plankton and smaller fish

Tromsø
Norway
4-7°C 15-25m Mild

Highlights: Midnight sun begins, vibrant kelp forests, good fish life

Narvik
Norway
4-7°C 15-25m Mild

Highlights: Midnight sun, excellent conditions for exploring the famous wrecks

4-7°C 15-25m Mild

Highlights: Vibrant kelp forests, good fish populations, potential for seals

Lysefjord
Norway
7-10°C 15-25m Mild

Highlights: Peak plankton bloom, abundant small fish

Baltic Sea
Poland
7-10°C 15-25m Mild

Highlights: Plankton bloom, good visibility for wrecks and marine life

12-16°C 12-20m None

Highlights: Excellent visibility, abundant aquatic life

Zakrzowek
Poland
12-16°C 12-20m None

Highlights: Excellent visibility, abundant aquatic life

Hańcza Lake
Poland
9-14°C 10-20m None

Highlights: Good visibility, fish spawning season.

Solina Lake
Poland
9-14°C 10-20m None

Highlights: Good visibility, fish spawning season.

9-14°C 10-20m None

Highlights: Good visibility, fish spawning season.

The Azores
Portugal
18-20°C 20-30m Mild

Highlights: Manta ray sightings increase

Madeira
Portugal
19-21°C 25-35m Mild

Highlights: Good visibility, potential for pelagic sightings

17-19°C 20-25m Mild

Highlights: Good visibility, increasing marine life activity

Sesimbra
Portugal
17-19°C 15-20m Mild

Highlights: Dolphins and occasional sunfish sightings

The Algarve
Portugal
18-20°C 20-25m Mild

Highlights: Good visibility, diverse reef fish

Black Sea Coast
Romania
12-18°C 15-20m Mild

Highlights: Arrival of migratory fish

10-15°C 15-20m None

Highlights: Good visibility, increasing aquatic life

Scropoasa Lake
Romania
10-15°C 15-20m None

Highlights: Good visibility, increasing aquatic life

Bear Lake
Romania
8-12°C 12-18m Mild Rainy

Highlights: Good visibility, fish spawning

11-15°C 10-20m Moderate Rainy

Highlights: Good visibility, diverse riverine life

Black Sea
Russia
12-17°C 15-25m Mild

Highlights: Good diving conditions, comfortable temperatures and decent visibility. Marine life becoming more active.

3-7°C 15-25m Mild

Highlights: Salmon runs begin, sea otter activity increases

12-16°C 20-25m Moderate Rainy

Highlights: Good visibility, lush canyon

Zlatar Lake
Serbia
10-16°C 12-18m Mild Rainy

Highlights: Good visibility and warming water. Spring growth in the lake.

Silver Lake
Serbia
10-16°C 12-18m Mild Rainy

Highlights: Good visibility and warming water. Spring growth in the lake.

Uvac Canyon
Serbia
10-16°C 12-18m Mild Rainy

Highlights: Good visibility and warming water. Spring growth in the canyon.

16-20°C 15-20m Mild

Highlights: Increased marine life activity

13-18°C 10-15m None

Highlights: Good visibility, diverse underwater flora

Costa Brava
Spain
16-18°C 20-30m Mild

Highlights: Seabird nesting season, potential for larger pelagics

17-20°C 20-30m Mild

Highlights: Seabird nesting season

18-21°C 15-25m Mild

Highlights: Increased marine life activity

17-20°C 25-35m Mild

Highlights: Seabird nesting season, potential for pelagics

18-20°C 20-30m Mild

Highlights: Early sightings of pelagic species

18-20°C 20-30m Mild

Highlights: Early sightings of pelagic species

7-10°C 15-25m Mild

Highlights: Plankton blooms start, attracting small fish

Gotland
Sweden
6-9°C 20-30m Mild

Highlights: Excellent visibility, increasing fish populations.

Kullaberg
Sweden
7-10°C 20-30m Mild

Highlights: Excellent visibility, increasing fish populations and kelp growth.

Lake Geneva
Switzerland
10-13°C 15-20m Mild

Highlights: Increasing aquatic life activity

Lake Zurich
Switzerland
10-13°C 15-20m Mild

Highlights: Increasing aquatic life activity

Lake Lucerne
Switzerland
10-13°C 15-20m Mild

Highlights: Increasing aquatic life activity

Lake Maggiore
Switzerland
12-16°C 12-18m None Rainy

Highlights: Fish spawning season

Black Sea Coast
Ukraine
12-17°C 12-18m Mild Rainy

Highlights: Marine life starts to become more active

14-19°C 15-20m Mild Rainy

Highlights: Good visibility and increasing marine activity

Kiev Reservoir
Ukraine
11-16°C 8-15m Mild

Highlights: Spring bloom, increased aquatic life.

Lundy Island
United Kingdom
10-13°C 15-25m Mild

Highlights: Grey seal pupping season begins

Farne Islands
United Kingdom
9-12°C 12-18m Mild

Highlights: Grey seal pupping season begins

Plymouth
United Kingdom
10-12°C 10-20m Mild

Highlights: Plankton blooms begin, increasing marine life activity

Falmouth
United Kingdom
10-12°C 10-20m Mild

Highlights: Plankton blooms begin, increasing marine life activity

Oban
United Kingdom
9-11°C 10-20m Moderate

Highlights: Plankton blooms begin, increasing marine life activity

9-11°C 15-25m Mild

Highlights: Plankton bloom, increased marine life activity

Anglesey
United Kingdom
10-12°C 15-25m Mild

Highlights: Plankton bloom, increased marine life activity

Isle of Man
United Kingdom
10-12°C 15-25m Mild

Highlights: Plankton bloom, increased marine life activity

Isle of Skye
United Kingdom
9-11°C 12-18m Mild

Highlights: Seals often seen

Vobster Quay
United Kingdom
9-11°C 12-18m None

Highlights: Fish life starts to become more active

Capernwray Diving Centre
United Kingdom
8-10°C 10-15m None

Highlights: Fish life becoming more active, good visibility

Suduroy
Faroe Islands
7-10°C 15-25m Mild

Highlights: Peak seabird activity, potential for puffins

Fugloy and Svínoy
Faroe Islands
7-10°C 15-25m Mild

Highlights: Peak seabird activity, potential for puffins

Vágar Area
Faroe Islands
7-10°C 15-25m Mild

Highlights: Peak seabird activity, potential for puffins

18-20°C 20-30m Mild

Highlights: Good visibility, diverse marine life

18-20°C 15-25m Moderate

Highlights: Plankton blooms can attract filter feeders

18-20°C 20-30m Moderate

Highlights: Manta ray season begins, plankton blooms

Rosia Bay
Gibraltar
19-21°C 20-30m Mild

Highlights: Increased marine life activity

Catalan Bay
Gibraltar
19-21°C 20-30m Mild

Highlights: Increased marine life activity

St Peter Port
Guernsey
12-14°C 10-20m Mild

Highlights: Plankton blooms start, good for macro life

10-13°C 12-18m Mild

Highlights: Seals often seen

Sark
Guernsey
10-13°C 12-18m Mild

Highlights: Seals often seen

Alderney
Guernsey
10-13°C 12-18m Mild

Highlights: Seals often seen

Les Casquets
Guernsey
11-13°C 10-15m Mild

Highlights: Seabird nesting season begins

Douglas Bay
Isle of Man
10-12°C 10-15m Mild

Highlights: Plankton blooms start to appear

Peel Castle
Isle of Man
10-12°C 10-15m Mild

Highlights: Plankton blooms start to appear

Port Erin
Isle of Man
9-11°C 10-20m Mild

Highlights: Seabird nesting season begins

Laxey Bay
Isle of Man
9-11°C 10-20m Mild

Highlights: Seabird nesting season begins

Calf of Man
Isle of Man
9-11°C 10-20m Mild

Highlights: Seabird nesting season begins

11-14°C 15-25m Mild

Highlights: Seals often seen

Bouley Bay
Jersey
11-14°C 15-25m Mild

Highlights: Seals often seen

Greve de Lecq
Jersey
11-14°C 15-25m Mild

Highlights: Seals often seen

Good Diving

Attersee
Austria
14°C 10-15m
Grundlsee
Austria
12°C 15-25m
Wolfgangsee
Austria
12°C 15-20m
Achensee
Austria
12°C 15-25m
Traunsee
Austria
14°C 12-18m
Blue Lake (Sinie Ozero)
Belarus
12°C 5-10m
Naroch Lake
Belarus
12°C 5-10m
Zaslavskoe Reservoir
Belarus
12°C 5-10m
Berezinsky Biosphere Reserve
Belarus
12°C 3-7m
Duisburg Military Training Area
Belgium
16°C 8-15m
Black Sea Coast
Bulgaria
18°C 15-20m
Varna Region
Bulgaria
18°C 15-20m
Sozopol Area
Bulgaria
18°C 15-20m
Gjerrild Klint
Denmark
10°C 10-15m
Hiiumaa Island
Estonia
9°C 10-15m
Saaremaa Island
Estonia
9°C 10-15m
Lake Peipsi
Estonia
10°C 8-15m
Lake Harku
Estonia
12°C 3-7m
Archipelago Sea
Finland
10°C 5-12m
Lake Päijänne
Finland
10°C 5-12m
Kotka
Finland
8°C 5-10m
Tampere
Finland
8°C 5-10m
Aland Islands
Finland
8°C 5-10m
Brittany
France
13°C 10-20m
Normandy
France
12°C 10-15m
Baltic Sea
Germany
10°C 10-20m
Lake Constance
Germany
13°C 5-10m
Steinhuder Meer
Germany
13°C 7-12m
Lake Balaton
Hungary
17°C 5-10m
Lake Tisza
Hungary
17°C 5-10m
Strytan Hydrothermal Vents
Iceland
6°C 10-20m
Davidsgja & Lake Thingvallavatn
Iceland
6°C 10-20m
El Grillo Wreck, Seyðisfjörður
Iceland
8°C 10-15m
Gardur Peninsula
Iceland
8°C 10-15m
Antrim
Ireland
11°C 10-15m
Lake Garda
Italy
17°C 10-20m
Gulf of Riga
Latvia
10°C 8-15m
Daugava River
Latvia
12°C 5-10m
Lake Plateliai
Lithuania
12°C 5-10m
Tauragnas Lake
Lithuania
12°C 5-10m
Asveja Regional Park
Lithuania
12°C 5-10m
Eiland 4
Netherlands
14°C 12-18m
Matka Canyon
North Macedonia
15°C 12-18m
Mazury Lake District
Poland
14°C 5-10m
White Sea
Russia
3°C 10-20m
Lake Baikal
Russia
7°C 10-15m
Valaam Archipelago, Lake Ladoga
Russia
7°C 10-15m
Orda Cave, Ural
Russia
10°C 15-20m
Ada Ciganlija Lake
Serbia
16°C 15-20m
Orava Dam
Slovakia
14°C 12-20m
Lake Bled
Slovenia
14°C 12-20m
Lake Bohinj
Slovenia
14°C 12-20m
River Soča and its tributaries
Slovenia
15°C 10-15m
Vättern
Sweden
9°C 10-15m
Öland
Sweden
9°C 10-15m
Gullmarsfjorden
Sweden
10°C 10-15m
Siljan
Sweden
8°C 10-20m
Lake Thun
Switzerland
13°C 12-18m
Lake Walen
Switzerland
13°C 12-18m
Verzasca River
Switzerland
13°C 12-18m
Scapa Flow
United Kingdom
11°C 10-15m
Mariehamn and Surrounding Waters
Åland Islands
9°C 10-20m
Föglö Islands
Åland Islands
9°C 10-20m
Kökar
Åland Islands
9°C 10-20m
Northern Åland Archipelago
Åland Islands
9°C 10-20m
Southern Åland Archipelago
Åland Islands
9°C 10-20m
The Lumparland Dive Zone
Åland Islands
9°C 10-20m
Tórshavn Area
Faroe Islands
10°C 10-15m
Klaksvík Area
Faroe Islands
10°C 10-15m
Mykines
Faroe Islands
10°C 10-15m
La Rocque Harbour
Jersey
14°C 10-15m
Havre des Pas
Jersey
14°C 10-15m
Ny-Ålesund
Svalbard & Jan Mayen
3°C 10-20m
Hinlopen Strait
Svalbard & Jan Mayen
3°C 10-20m
Kongsfjorden
Svalbard & Jan Mayen
3°C 10-20m