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Best places for mantas in August

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.

96
match
#1

Nusa Penida and Lembongan

IndonesiaDay boat onlyMedium confidence: 3 sites on Divetip so far
  • Strength: Mantas: reliable in August (peak April to October)
  • Strength: 3 of 3 sites are in season in August
  • Strength: Calm seas on almost every day
  • Strength: Water 26°C in August
Best July to November
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76
match
#2

Bunaken and Lembeh

IndonesiaDay boat onlyMedium confidence: 3 sites on Divetip so far
  • Strength: 3 of 3 sites are in season in August
  • Strength: Calm seas on almost every day
  • Strength: Water 28–29°C in August
  • Trade-off: Mantas: possible in August, not reliable
Best April to November
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73
match
#3

Ari Atoll

MaldivesLiveaboard or day boatMedium confidence: 3 sites on Divetip so far
  • Strength: Mantas: likely in August
  • Strength: Calm seas on almost every day
  • Strength: Water 28–29°C in August
  • Trade-off: Rain on more than half the days
Best November to April
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76
match
#4

Komodo

IndonesiaLiveaboard or day boatLow confidence: Area base: 1 site on Divetip so far
  • Strength: August is in season here
  • Strength: Calm seas on most days
  • Trade-off: Mantas: possible in August, not reliable; best December to March
  • Unknown: Area base: 1 site on Divetip so far
Best April to December
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73
match
#5

Koh Tao

ThailandDay boat onlyMedium confidence: One factor not sourced yet
  • Strength: 3 of 3 sites are in season in August
  • Strength: Water 28–29°C in August
  • Trade-off: Rain on most days
  • Unknown: Mantas in August: 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 August.