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Liveaboard · Sri Lanka

Ocean Diamond

The finest sailing vessel in Sri Lanka. The Ocean Diamond offers you a range of facilities and an exceptional standard of personal service with sheer comfort.

  • 10Cabins
  • Up to 22Guests
  • 26.6 m / 12.5 mLength / Beam
  • 11 knotsCruising speed
  • 350 nmRange

Highlights

  • 10 cabins hosting up to 22 guests across 3 cabin types
  • 26.6 m grp with pvc foam hull vessel purpose-run for multi-day diving
  • Cruises at 11 knots with a 350 nautical-mile range on a full tank
  • Departs Colombo or Mirissa in the west-coast season and Passikudah or Trincomalee in the east-coast season

Good to know

  • Dive equipment includes Mask, Fins, BCD, Regulator are on request and not included in the price.
  • Log book and certification is required for certified divers.
  • Unless settled in advance, payments by card or cash (USD).
  • If you are looking for a hassle free travel deal, our holiday packages include everything you need for a perfect holiday in Sri Lanka starting from the moment of arrival. Offers include required transfers to and from the airport, hotel, various diving / non-diving activities and accommodation in our partner hotels that are certain to make your stay in Sri Lanka, a perfect and everlasting memory.

Dates & prices

Prices are per person in USD. Reserve your spots online and complete payment by card or bank transfer.

No departures scheduled yet

New dates are added through the season. Contact us to be notified or to enquire about a private charter.

Enquire now

Recent departures

Past itineraries on Ocean Diamond, for reference. New dates for the coming season are announced here.

  • Northeast Adventure - CL Fam Trip

    7 Sept 2026 – 9 Sept 2026 · 2 nights · Trincomalee

    $1,470 per diverDeparted
1

Reserve your spots

Pick a departure and hold your places while you complete the booking.

2

Add guest details

Passenger, diver and dietary details for everyone travelling.

3

Pay securely

Pay online by card or via bank transfer. Confirmation is sent by email.

  • Secure online payment
  • Card or bank transfer
  • Local expert dive team

Cabins

10 cabins across 3 cabin types. Prices are per person; choose your cabin at checkout.

Lower Deck TPL - OD
2 on board

Lower Deck TPL - OD

Sleeps
Up to 3
Beds
2 · Double + Single
Size
14.7 m²
Bathroom
Private
Climate
Air-conditioned

Can be shared with another guest

Main Deck DBL - OD
6 on board

Main Deck DBL - OD

Sleeps
Up to 2
Beds
1 · Double
Size
13 m²
Bathroom
Private
Climate
Air-conditioned

Can be shared with another guest

Main Deck Twin - OD
2 on board

Main Deck Twin - OD

Sleeps
Up to 2
Beds
2 · Single + Single
Size
13 m²
Bathroom
Private
Climate
Air-conditioned

Can be shared with another guest

Description

In collaboration with French DesignersOcean Diamond was created with minimalistic design and clean lines to ensure the serenity and tranquility of your experience goes uninterrupted. A perfect synergy of excellence in interior and yacht design all round. Its exceptional designers created this unique style made possible by the attention to detail and materializing the vision for the future of sailing.

This extremely spacious vessel provides for a maximum of 20 guests with all the comforts of a quality land-based resort including hot showers and A/C cabins and a new view every day.

Explore the wonders beneath the waters of Sri Lanka while on cruise. We launch from Colombo City Marina, Mirissa fisheries harbour during the west coast dive season and Passikudah and Trincomalee during the east coast dive season. All overnight bookings are required to be made a month in advance. Dive sites will be planned depending on amount/experience level of the divers and weather conditions. Inform us in advance if you have special requests related to dive sites or equipment required.

Explore the wonders beneath the waters of Sri Lanka while on cruise. We launch from Colombo City Marina and Mirissa fisheries harbour during the west coast dive season, and from Passikudah and Trincomalee during the east coast dive season. All overnight bookings are required to be made a month in advance.

Check-in times

  • Evening Meeting at - 15:00

Boat details

Ocean Diamond exterior
Hull material
GRP with PVC Foam
Length
26.6 m
Beam
12.5 m
Draft
1.7 m
Engines
2
Fuel
228 Hp/ 168 kW
Designed speed
11 knots
Maximum range
350 nautical miles
Cabins
10
Guest capacity
22 guests

Diving & inclusions

Dive requirements

  • Scuba Certification
  • 10 logged dives
  • Signed Medical and Waver Forms

Included

  • Diving Shared cabin
  • 11.5L Cylinders & Weights
  • Full board basis

Not included

  • Flight
  • Diving equipment
  • Nitrox fills (On request Only)
  • 15L or other sized cylinders
  • WiFi (On request Only)
  • Alcoholic drinks (BYOB)
  • Soft drinks, Juices
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