Best places for mantas in May
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.
BestGoodPossibleOff seasonYour month
#1MexicoLiveaboard only●●○Medium confidence: 3 sites on Divetip so far - Strength: Mantas: reliable in May (peak November to May)
- Strength: 3 of 3 sites are in season in May
- Strength: Mostly dry: rain on few days
- Trade-off: Rough seas on almost every day
JFMAMJJASOND
Good November to MayWhy this match: 28 + 31 + 19 + 12 = 90
Season28 / 38
3 of 3 sites are in season in May; calm on about 1 day in 10.
Interests31 / 31
Mantas: reliable in May.
Your level19 / 19
No level picked, so all 3 sites count.
Weather12 / 13
Rain on few days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#2IndonesiaDay boat only●●○Medium confidence: 3 sites on Divetip so far - Strength: Mantas: reliable in May (peak April to October)
- Strength: Calm seas on almost every day
- Strength: Water 27–28°C in May
- Trade-off: Rain on more than half the days
JFMAMJJASOND
Best July to NovemberWhy this match: 29 + 31 + 19 + 8 = 87
Season29 / 38
2 of 3 sites are in season in May; calm on almost every day.
Interests31 / 31
Mantas: reliable in May.
Your level19 / 19
No level picked, so all 3 sites count.
Weather8 / 13
Rain on more than half the days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#3PalauDay boat or liveaboard●●●High confidence: 7 sites, every factor sourced - Strength: Mantas: likely in May
- Strength: 7 of 7 sites are in season in May
- Strength: Calm seas on almost every day
- Trade-off: Rain on most days
JFMAMJJASOND
Best November to MayWhy this match: 36 + 19 + 19 + 6 = 80
Season36 / 38
7 of 7 sites are in season in May; calm on almost every day.
Interests19 / 31
Mantas: likely in May.
Your level19 / 19
No level picked, so all 7 sites count.
Weather6 / 13
Rain on most days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#4IndonesiaLiveaboard or day boat●○○Low confidence: Area base: 1 site on Divetip so far - Strength: Mantas: likely in May
- Strength: May is in season here
- Strength: Calm seas on most days
- Unknown: Area base: 1 site on Divetip so far
JFMAMJJASOND
Best April to DecemberWhy this match: 36 + 19 + 19 + 10 = 84
Season36 / 38
The site is in season in May; calm on most days.
Interests19 / 31
Mantas: likely in May.
Your level19 / 19
No level picked, so all 1 sites count.
Weather10 / 13
Rain on about 1 day in 5; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
#5ThailandDay boat only●●○Medium confidence: One factor not sourced yet - Strength: 3 of 3 sites are in season in May
- Strength: Calm seas on most days
- Trade-off: Rain on most days
- Unknown: Mantas in May: we don't know yet
JFMAMJJASOND
Best March to SeptemberWhy this match: 35 + 16 + 19 + 6 = 76
Season35 / 38
3 of 3 sites are in season in May; calm on most days.
Interests16 / 31
Mantas: we don't know yet in May. Not known yet, so it counts as half.
Your level19 / 19
No level picked, so all 3 sites count.
Weather6 / 13
Rain on most days; no real storm risk.
Points are scaled so the factors you set add up to 100. How we rank
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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 May.
