Dolphin Underwater Diving Services provides a full range of certified underwater operations across all major and minor ports of India. With over two decades of experience, Class-approved divers, modern equipment, and dedicated support vessels, we deliver safe, reliable, and cost-effective underwater engineering services. Our team is approved by leading international classification societies including IRS, DNV, BV, ABS, ClassNK, Lloyds Register, RINA & Korean Register, ensuring every underwater project meets global maritime standards.

Precision cutting and welding for ship structures, steel piles, marine installations, and submerged components.

High-resolution underwater visuals used for surveys, class inspection reports, and damage assessments.

Removal of silt, debris, and underwater obstacles to maintain navigable depths and operational safety.

In-water surveys approved by IRS, DNV, BV, ABS, and other major classification societies.

Ultrasonic measurements of hull plating, piles, and underwater structures for integrity assessment.

Recovery of anchors, chains, vessels, machinery, and lost marine assets — supported by winch barges (70-ton capacity).

Hull repairs, sea chest jobs, propeller maintenance, valve operations, and structural restoration.

Cleaning of marine growth to improve vessel efficiency and restore operational performance.

Installation or removal of underwater blocks, structures, pipelines, and foundations.

Accurate placement of concrete blocks and marine foundations using professional divers and lifting equipment.

24/7 emergency diving assistance for ports, shipping agents, and marine operators.

Side scan sonar (Klein 4900), multibeam and single-beam surveys for seabed mapping, anchor search, and underwater inspection.