MONTHLY DIVE GUIDE

Best Places to Scuba Dive in May

Shoulder season in Asia — fewer crowds, still great conditions. Komodo and Cocos shine.

18 destinations at peak 9 to avoid

Top Picks for May

The highest-rated dive destinations at their peak this month

Where to Dive in May for Clear Water, Manta Rays and Sharks

18 destinations are at their peak this month. These three shortlists rank them by the conditions most divers plan a trip around — how far you can see, and how reliable the big animals are.

Visibility is the average figure for the season and shark and manta scores are our own five-point rating — both are the same numbers each destination's own guide page uses.

Diving Conditions in May

What to expect underwater this month, from water temperature and visibility to marine life activity and seasonal patterns.

May brings shoulder season across much of Asia, meaning fewer divers and still-great conditions. Komodo and the Similans are at their prime before monsoon clouds gather. Cocos Island enters its big-animal season with hammerheads schooling. The Red Sea delivers some of the year's best visibility. In the Caribbean, water warms to 28°C and conditions are calm. The Maldives transitions to its wetter season — still diveable but with shorter windows. Liveaboard pricing softens, making May one of the best value months of the year.

Marine Life in May

What you're most likely to encounter this month worldwide

W

Whale sharks

Peak encounter season

T

Turtles

Peak encounter season

D

Dolphins

Peak encounter season

Best Destinations by Region

Where to go in May, organized by continent

Africa & Middle East (1 destinations)

May at a Glance

Best destinations this month vs destinations to avoid

Frequently Asked Questions

Where is the best scuba diving in May?

Shoulder season in Asia — fewer crowds, still great conditions. Komodo and Cocos shine.

Which dive destinations have the best visibility in May?

Among the 18 destinations at their peak in May, the clearest water is Silfra Fissure (100m), Rangiroa (40m), Tubbataha Reefs (35m), Ras Mohammed (35m). Those are average figures for the season, so a storm day can still fall short of them.

Where can I see manta rays in May?

Manta sightings rate highest in May at Komodo National Park (5/5), Palau (4/5), Tubbataha Reefs (4/5), Rangiroa (4/5), on our five-point marine-life scale. Clean-water cleaning stations are where they show up most reliably.

Where can I see sharks in May?

Shark action rates highest in May at Komodo National Park (5/5), Palau (5/5), Tubbataha Reefs (5/5), Rangiroa (5/5), on our five-point marine-life scale. Passes and channel currents between islands are the usual places to wait for them.

What marine life can I see in May?

In May, divers can commonly encounter: Whale sharks, Turtles, Dolphins. Specific encounters depend on the destination and local conditions.

Should I avoid any dive destinations in May?

Yes — 9 destinations in our database are outside their best season in May. These include Galapagos Islands, Raja Ampat, Cocos Island, Chuuk Lagoon, Fernando de Noronha. Visibility and conditions may be below peak, but many sites remain diveable year-round.

Researched and written by the DiveAtlas Editorial Team · Updated 2026-08-03