The verdict

Best places to dive with sailfish

Istiophorus platypterus

No site we score is reliable for sailfish. The best-evidenced is Aliwal Shoal, from January to March.

Illustration of a sailfish
How many of the top 4 destinations are at their peak for sailfish each month
JanFebMarAprMayJunJulAugSepOctNovDec
January: 2 of 4 at peakFebruary: 4 of 4 at peakMarch: 2 of 4 at peakApril: 0 of 4 at peakMay: 0 of 4 at peakJune: 0 of 4 at peakJuly: 0 of 4 at peakAugust: 0 of 4 at peakSeptember: 0 of 4 at peakOctober: 0 of 4 at peakNovember: 0 of 4 at peakDecember: 1 of 4 at peak
Most sites at peak Some at peak Possible only Not common

Based on 117 OBIS records of sailfish (Istiophorus platypterus) within 60 km of 4 dive destinations.

Top destinations to dive with sailfish

4 on record

Ranked on how reliably they turn up, then on how long the record runs.

Destinations to dive with sailfish, most reliable first
#DestinationCountry / areaSeasonReliabilityEvidenceDive type
1Aliwal ShoalSouth AfricaJan–MarHit-or-miss9 of 31 yearsDay boat
2Ribbon ReefsAustraliaFeb–MarHit-or-miss2 of 32 yearsLiveaboard
3Protea BanksSouth AfricaDec–FebHit-or-miss2 of 26 yearsfew recordsDay boat
4CoibaPanamaFebHit-or-miss1 of 22 yearsfew recordsDay boat

When to dive with sailfish

Hover a month to isolate it
Peak and possible months for sailfish at each destination
JanFebMarAprMayJunJulAugSepOctNovDec
Aliwal ShoalJan: Peak seasonFeb: Peak seasonMar: Peak seasonApr: PossibleMay: PossibleJun: PossibleJul: Not commonAug: Not commonSep: Not commonOct: Not commonNov: PossibleDec: Possible
Ribbon ReefsJan: Not commonFeb: Peak seasonMar: Peak seasonApr: PossibleMay: Not commonJun: Not commonJul: Not commonAug: Not commonSep: Not commonOct: Not commonNov: PossibleDec: Not common
Protea BanksJan: Peak seasonFeb: Peak seasonMar: PossibleApr: PossibleMay: Not commonJun: Not commonJul: Not commonAug: Not commonSep: PossibleOct: Not commonNov: Not commonDec: Peak season
CoibaJan: Not commonFeb: Peak seasonMar: Not commonApr: Not commonMay: Not commonJun: Not commonJul: Not commonAug: Not commonSep: Not commonOct: Not commonNov: Not commonDec: Not common
Peak season Possible Not common

Sailfish month by month

January
Season starts at Aliwal Shoal. Also good at Protea Banks.
February
Season starts at Ribbon Reefs. Also good at Aliwal Shoal, Protea Banks and 1 more.
March
Last peak month at Aliwal Shoal. Also good at Ribbon Reefs.
April
Off-peak everywhere. Your best chance is Aliwal Shoal.
May
Off-peak everywhere. Your best chance is Aliwal Shoal.
June
Off-peak everywhere. Your best chance is Aliwal Shoal.
Jul–Aug
Not a month for sailfish.
September
Off-peak everywhere. Your best chance is Protea Banks.
October
Not a month for sailfish.
November
Off-peak everywhere. Your best chance is Aliwal Shoal.
December
Season starts at Protea Banks.

What to expect in the water

Water temperature and the suit to pack at the top sites, in the months sailfish are there.

Water temperature and wetsuit at the top sites for sailfish in season
DestinationSeasonWaterSuit
Aliwal ShoalJan–Mar26 °C3 mm full suit
Ribbon ReefsFeb–Mar29 °CSkin or 3 mm shorty
Protea BanksDec–Feb2527 °C5 mm full suit
CoibaFeb29 °CSkin or 3 mm shorty

What else you'll see with sailfish

Animals at their peak in the same places and months.

Diving with sailfish: common questions

Where is the best place to dive with sailfish?
No site we score is reliable for sailfish. The best-evidenced is Aliwal Shoal, from January to March.
When is the best time to dive with sailfish?
February, when 4 of the 4 best-evidenced destinations are at their peak. It varies by place: Aliwal Shoal peaks January to March; Ribbon Reefs peaks February to March; Protea Banks peaks December to February.
What wetsuit do you need to dive with sailfish?
At Aliwal Shoal from January to March, the water is 26 °C to 26 °C, so bring a 3 mm full suit.
How many places can you dive with sailfish?
besttimetodive.com has sailfish on record at 4 of the destinations it scores. Not an exhaustive list — these are the sites we hold verified data for.