Booking & availability
For 2027, three primary operators — KLM Eliya, Ambai and Velocean — offer various itineraries. The peak hammerhead shark season runs mid-September through mid-October, with early booking specials available through advance reservations.
Featured operators
KLM Eliya specializes in comfortable vessels with experienced crews, offering 11-day expeditions and an October crossing series.
Ambai provides luxurious extended trips lasting 12 nights, catering to divers exploring the Forgotten Islands. Velocean positions itself in the premium luxury segment with sophisticated itineraries booked quickly during peak season.
The best chance for encounters occurs from mid-September to mid-October, when upwellings create cooler water temperatures.
Availability
Each runs the region differently, and the right one depends on how much of your trip is diving.
Available itineraries include Banda Sea to Raja Ampat trips in November and Komodo to Alor / Banda Sea crossings in October.
Early discounts typically range 10 to 20 percent for bookings made 12 to 18 months ahead, sometimes including complimentary nitrox or equipment rental.
Advance booking of 18 to 24 months is recommended for peak-season hammerhead trips, because the pool of vessels running the crossing series is small and the dates that matter are the only ones most divers want.
Good to know
KLM Eliya, Ambai and Velocean are the three primary operators running the region in 2027. Early discounts typically range 10 to 20 percent for bookings made 12 to 18 months ahead, sometimes including complimentary nitrox or equipment rental.
Advance booking of 18 to 24 months is recommended for peak-season hammerhead trips.
Available itineraries include Banda Sea to Raja Ampat trips in November and Komodo to Alor / Banda Sea crossings in October.
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