Southeast Asia · Vessel profile
Cajoma IV
Cajoma IV is advertised for overnight dive or charter trips in Indonesia. Published capacity: 8 guests in 4 cabins.
Published operator: Manta Rhei Dive Center [2]
Marketed for bookings
- Length
- 30 m
- Guests
- 8
- Cabins
- 4
- Built
- 2015
Research reviewed 2026-10-18.

Published specifications
Contact and booking links
- Public business email info@mantarhei.com [3] · checked 2026-10-18
- Official Facebook page https://www.facebook.com/mantarhei/ [3] · checked 2026-10-18
- Official Instagram page https://www.instagram.com/mantarheidivecenter/ [3] · checked 2026-10-18
- Public business telephone +62 813-5365-2121 [3] · checked 2026-10-18
- Public business telephone +62 821 4731 0340 [3] · checked 2026-10-18
- Public business telephone +6281238845055 [3] · checked 2026-10-18
- Official operator website https://www.mantarhei.com/ [3] · checked 2026-10-18
- Official operator website https://www.mantarhei.com/the-boat/ [2] · checked 2026-10-18
- WhatsApp business contact +6281353652121 [3] · checked 2026-10-18
- WhatsApp business contact +6282147310340 [3] · checked 2026-10-18
- Official X page https://twitter.com/mantarhei [3] · checked 2026-10-18
- Official Youtube page https://www.youtube.com/channel/UCippnHBX80QyYSbS6cE2wsg [3] · checked 2026-10-18
- Operator website
- Published booking page
Links lead to third-party operators or agents. This directory does not confirm departures or accept bookings.
On board
- En-Suite bathrooms
- Family Cabins
- Aircon Cabins
- Non-Diver (Snorkeler) Friendly
- Warm Water Showers
- Sun Deck
- Rooms with Balcony
- Nearly 1:1 Crew-to-Guest Ratio
- Seaview Cabins
- Non-Smoking Rooms
- Custom built for diving
- Charging stations
- Indoor Saloon
- Outdoor Dining
- Audio & video entertainment
- Observation Deck
- Available for Charter
- Local & International Crew
- Separate Rinse for u/w Camera
- Leisure Deck
- Daily housekeeping
- Bar
Diving facilities
- Shaded Diving Area
- DIN Adaptors
- Rinse Hoses
- Dive deck
- Tenders for diving
Published safety equipment
- Radar
- Depth Sounder
- GPS
- Radio VHF/DSC/SSB
- E.P.I.R.B. Distress System
- Emergency Rafts
- Life Vests
- Fire Alarm & Fire Extinguishers
- Oxygen
- First Aid Kits
- Bilge pump alarm
Source-linked research
The published details below include historical records and conflicting claims, with their original sources retained.
| Detail | Published information and source |
|---|---|
| Listed supplier / operator | Manta Rhei [1] |
| Year built | 2015 [1] |
| Length | 30 meters [1] |
| Top speed | 12 knots [1] |
| Engines | 6 Cylinder Mitshubishi [1] |
| Max guests | 8 [1] |
| Number of cabins | 4 [1] |
| Number of bathrooms | 4 [1] |
| Tenders | 2 speedboats [1] |
| Water capacity | 10000 liters [1] |
| Amenities | En-Suite bathrooms; Family Cabins; Aircon Cabins; Non-Diver (Snorkeler) Friendly; Warm Water Showers; Sun Deck; Rooms with Balcony; Nearly 1:1 Crew-to-Guest Ratio; Seaview Cabins; Non-Smoking Rooms; Custom built for diving; Charging stations; Indoor Saloon; Outdoor Dining; Audio & video entertainment; Observation Deck; Available for Charter; Local & International Crew; Separate Rinse for u/w Camera; Leisure Deck; Daily housekeeping; Bar [1] |
| Diving facilities | Shaded Diving Area; DIN Adaptors; Rinse Hoses; Dive deck; Tenders for diving [1] |
| Safety/navigation equipment | Radar; Depth Sounder; GPS; Radio VHF/DSC/SSB; E.P.I.R.B. Distress System; Emergency Rafts; Life Vests; Fire Alarm & Fire Extinguishers; Oxygen; First Aid Kits; Bilge pump alarm [1] |
| Food and drink options | Vegan Options; Vegetarian Options; Free Soft Drinks; Beer available; Wine Available; Full-board Option; Fine Wines Selection; Welcome Cocktails; Snacks All Day; Buffet style; Western Food; Local Food; Set Menu Dinner [1] |
| Advertised itinerary examples | Central & North Komodo (Labuan Bajo - Labuan Bajo) [1] |
| Example dated fare | EUR 1010 advertised for 2026-11-11 to 2026-11-14 (P4D); listing snapshot 2026-10-17, availability and inclusions need reconfirmation. [1] |
| Beam (m) | 6 [2] |
| Hull material | Ironwood hull and teak [2] |
| Operator | Manta Rhei Dive Center [2] |
| Operator URL | https://www.mantarhei.com/the-boat/ [2] |
| Fresh water capacity | 10,000 litres [2] |
| Engine | 6-cylinder Mitsubishi [2] |
| Tender boats | 2 [2] |
| Capacity — source terminology | 110 tons (type of tonnage not specified) [2] |
| Operator email | info@mantarhei.com [3] |
| Operator facebook | https://www.facebook.com/mantarhei/ [3] |
| Operator instagram | https://www.instagram.com/mantarheidivecenter/ [3] |
| Operator phone | +62 813-5365-2121 [3] |
| Operator phone | +62 821 4731 0340 [3] |
| Operator phone | +6281238845055 [3] |
| Operator website | https://www.mantarhei.com/ [3] |
| Operator website | https://www.mantarhei.com/the-boat/ [2] |
| Operator whatsapp | +6281353652121 [3] |
| Operator whatsapp | +6282147310340 [3] |
| Operator x | https://twitter.com/mantarhei [3] |
| Operator youtube | https://www.youtube.com/channel/UCippnHBX80QyYSbS6cE2wsg [3] |
Sources
- Cajoma IV — vessel specifications and booking listingbooking · accessed 2026-10-17
- Manta Rhei — Cajoma IV official boat specificationsoperator · accessed 2026-10-18
- Manta Rhei Dive Center — published business contact detailsoperator · accessed 2026-10-18