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Best places for mantas in March

20 trip bases match. Ranked for any diver.

Typical values are 1991–2020 averages and our site seasons.

Live switches on 48 hours before your trip. Add a start date under When.

94
match
#1

Raja Ampat

IndonesiaLiveaboard or day boatHigh confidence: 8 sites, every factor sourced
  • Strength: Mantas: reliable in March (peak December to March)
  • Strength: 8 of 8 sites are in season in March
  • Strength: Calm seas on almost every day
  • Trade-off: Rain on most days
Best October to April
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90
match
#2

Revillagigedo (Socorro)

MexicoLiveaboard onlyMedium confidence: 3 sites on Divetip so far
  • Strength: Mantas: reliable in March (peak November to May)
  • Strength: 3 of 3 sites are in season in March
  • Strength: Mostly dry: rain on few days
  • Trade-off: Rough seas on almost every day
Good November to May
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85
match
#3

Similan Islands

ThailandLiveaboard or day boatMedium confidence: 4 sites on Divetip so far
  • Strength: Mantas: likely in March
  • Strength: 4 of 4 sites are in season in March
  • Strength: Calm seas on almost every day
  • Strength: Water 28–29°C in March
Best December to April
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85
match
#4

Ari Atoll

MaldivesLiveaboard or day boatMedium confidence: 3 sites on Divetip so far
  • Strength: Mantas: likely in March
  • Strength: 3 of 3 sites are in season in March
  • Strength: Calm seas on almost every day
  • Strength: Water 28–29°C in March
Best November to April
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82
match
#5

Koh Tao

ThailandDay boat onlyMedium confidence: One factor not sourced yet
  • Strength: 3 of 3 sites are in season in March
  • Strength: Calm seas on almost every day
  • Strength: Water 28–29°C in March
  • Unknown: Mantas in March: we don't know yet
Best March to September
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Always check local conditions with your dive centre. Rankings are never paid for. Every month also has its own page: where to dive in March.