Underwater Sonar Market (2026 - 2033) Size, Share & Trends Analysis Report By Sonar Type (Active Sonar, Passive Sonar, Dual/Combined Sonar), By Platform (Surface Vessels, Submarines, Airborne Platforms), By Application, By End Use Industry, By Region, And Segment Forecasts

Underwater Sonar Market Summary

The global underwater sonar market size was estimated at USD 4.31 billion in 2025, and is projected to reach USD 7.09 billion by 2033, growing at a CAGR of 6.5% from 2026 to 2033. The steady growth of the industry is attributed to the increasing focus on maritime security, rising naval modernization programs, and the growing deployment of advanced surveillance systems across defense and commercial marine sectors.

The increasing geopolitical tensions and maritime boundary disputes are significantly driving investments in naval defense capabilities, thereby propelling the demand for advanced underwater sonar systems. Governments worldwide are prioritizing anti-submarine warfare (ASW) capabilities, underwater surveillance, and mine detection systems, which is boosting the adoption of high-performance sonar technologies. Furthermore, the rapid evolution of unmanned and autonomous underwater platforms is creating new opportunities for compact, energy-efficient, and high-resolution sonar systems.

The expansion of offshore oil & gas exploration and subsea infrastructure development is also contributing to market growth. Sonar systems play a crucial role in seabed mapping, pipeline inspection, and underwater navigation, thereby supporting operational efficiency and safety in harsh marine environments. Additionally, increasing investments in marine research, oceanographic studies, and environmental monitoring are further strengthening demand across non-defense sectors.

Technological advancements such as synthetic aperture sonar (SAS), multi-beam echo sounders, and AI-powered signal processing are transforming the underwater sonar landscape. These innovations enhance detection accuracy, imaging resolution, and operational range, making sonar systems more effective in complex underwater environments. The integration of sonar systems with advanced data analytics platforms is further enabling real-time decision-making capabilities.

The expansion of offshore energy exploration, underwater mapping activities, and the rising adoption of autonomous underwater vehicles (AUVs) are further accelerating market expansion. The increasing need for real-time underwater situational awareness, coupled with advancements in acoustic sensing technologies and signal processing, continues to drive sustained demand across both defense and commercial applications.

Sonar Type Insights

The active sonar segment accounted for the largest share of 56.8% in 2025. Active sonar systems are widely used due to their superior detection capabilities, especially in anti-submarine warfare and navigation applications. These systems emit sound pulses and analyze returning echoes, making them highly effective for detecting underwater objects over long distances. Increasing naval defense budgets and the need for advanced surveillance systems are propelling the demand for active sonar globally.

The dual/combined sonar segment is expected to grow at the fastest CAGR during the forecast period. These systems integrate both active and passive sonar functionalities, offering enhanced detection flexibility and operational efficiency. The growing adoption of multi-functional sonar systems in modern naval platforms and autonomous systems is boosting the growth of this segment.

Platform Insights

The surface vessels segment held the largest market share in 2025. Surface ships, including destroyers, frigates, and patrol vessels, are extensively equipped with sonar systems for navigation, threat detection, and surveillance. The continuous modernization of naval fleets and increasing procurement of advanced warships are driving segment growth.

The autonomous underwater vehicles (AUVs) segment is expected to grow at the highest CAGR during the forecast period. AUVs are increasingly used for underwater exploration, surveillance, and inspection tasks. The integration of advanced sonar systems in AUVs enables precise navigation, object detection, and seabed mapping, thereby significantly boosting demand in both defense and commercial applications.

Application Insights

The anti-submarine warfare (ASW) segment dominated the market in 2025. ASW remains a critical application due to the increasing need for submarine detection and tracking amid rising naval threats. Sonar systems are essential components in ASW operations, enabling accurate identification and monitoring of underwater targets.

The seabed mapping / hydrographic survey segment is projected to grow at the fastest CAGR over the forecast period. The rising demand for detailed seabed data for offshore construction, marine navigation, and environmental monitoring is driving the adoption of advanced sonar imaging technologies. Increased investments in ocean exploration and marine infrastructure development are further supporting this segment’s growth.

End Use Industry Insights

The defense & naval forces segment dominated the market in 2025 and is projected to grow at the highest CAGR during the forecast period. The increasing focus on maritime security, naval modernization, and underwater threat detection is driving strong demand from defense organizations worldwide. Governments are heavily investing in advanced sonar technologies to enhance surveillance, reconnaissance, and combat capabilities.

The Oil & Gas segment is expected to grow at a notable CAGR over the forecast period. Sonar systems are widely used for subsea exploration, pipeline monitoring, and offshore infrastructure inspection. The expansion of deepwater and ultra-deepwater exploration activities is significantly contributing to segment growth.

Regional Insights

The North America underwater sonar market held the largest share of 34.8% in 2025. The region’s dominance is driven by substantial defense spending, advanced naval capabilities, and the strong presence of key sonar technology providers. Continuous investments in submarine detection systems and underwater surveillance technologies are further propelling market growth.

U.S. Underwater Sonar Industry Trends

The underwater sonar market in the U.S. held a dominant position in 2025. The country’s leadership is driven by its substantial defense budget and strong focus on naval superiority, particularly in anti-submarine warfare (ASW) and underwater surveillance. The U.S. Navy continues to invest heavily in advanced sonar technologies, including next-generation hull-mounted, towed array, and unmanned system-integrated sonar solutions.

Europe Underwater Sonar Industry Trends

The underwater sonar market in Europe is driven by rising maritime security concerns, increased naval cooperation among NATO countries, and growing investments in marine research and offshore energy projects. The region is witnessing strong adoption of advanced sonar systems for applications such as mine detection, seabed mapping, and environmental monitoring.

Germany is a key contributor to the European underwater sonar market, supported by its advanced shipbuilding industry and strong engineering capabilities. The country is known for its focus on high-performance naval systems and precision maritime technologies. German defense programs emphasize submarine detection, mine countermeasures, and underwater surveillance, thereby driving demand for sophisticated sonar solutions.

The underwater sonar market in the UK is experiencing steady growth, driven by ongoing naval modernization initiatives and increasing focus on maritime domain awareness. The Royal Navy is investing in advanced sonar systems for its fleet, including next-generation frigates and submarines. Additionally, the U.K.’s strong presence in marine research and hydrographic surveying is supporting the adoption of high-resolution sonar technologies. The growing need for offshore energy exploration and underwater infrastructure monitoring is also contributing to demand. The integration of AI and data analytics into sonar systems is emerging as a key trend in the U.K. market.

Asia Pacific Underwater Sonar Industry Trends

The underwater sonar market in Asia Pacific is expected to grow at the fastest CAGR of 7.6% from 2026 to 2033. Rapid naval expansion in countries such as China, India, and Japan, coupled with increasing investments in maritime security and offshore exploration, is driving regional growth. Rising adoption of AUVs and advanced sonar systems in both defense and commercial sectors is further strengthening the market outlook in Asia Pacific.

China underwater sonar market is driven by the country’s rapid naval expansion and increasing focus on maritime security. China is heavily investing in indigenous sonar technology development to reduce dependence on foreign suppliers and strengthen its underwater defense capabilities. The expansion of submarine fleets, deployment of AUVs, and increasing activities in the South China Sea are further boosting market growth.

The underwater sonar market in India is witnessing strong growth, driven by increasing defense expenditure and a strategic focus on strengthening naval capabilities. The Indian Navy is actively investing in modern sonar systems for surface vessels, submarines, and unmanned platforms to enhance underwater surveillance and anti-submarine warfare capabilities. Government initiatives such as “Make in India” are encouraging domestic production of defense equipment, including sonar systems, thereby boosting local manufacturing and innovation.

Key Underwater Sonar Companies Insights

Some of the leading players in the underwater sonar market include Thales Group, RTX Corporation, Kongsberg Gruppen, L3Harris Technologies, Lockheed Martin, Atlas Elektronik, Saab, Teledyne Technologies, Sonardyne International, and Norbit ASA, among others. These companies design and supply advanced sonar systems serving a wide range of applications across defense, offshore energy, marine research, and commercial maritime sectors. Their portfolios emphasize high-resolution acoustic imaging, long-range detection, real-time data processing, and integration with autonomous platforms such as AUVs and UUVs. Additionally, many of these players collaborate with naval forces, research institutes, and offshore operators to co-develop next-generation sonar technologies, including synthetic aperture sonar (SAS), multi-beam echo sounders, and AI-enabled signal processing systems, positioning themselves as critical enablers of modern underwater surveillance, navigation, and mapping solutions.

• Thales Group is a prominent player in defense electronics and underwater systems, with a strong presence in naval sonar technologies. The company offers a comprehensive portfolio including hull-mounted sonars, variable depth sonars, towed array systems, and mine countermeasure solutions. Thales is particularly known for its innovations in low-frequency active sonar and integrated ASW systems, supplying advanced sonar suites to several navies worldwide. Its continuous focus on R&D and digital signal processing strengthens its position in next-generation underwater surveillance technologies.

• Kongsberg Gruppen is a prominent player in maritime technology and underwater sensing solutions, with a strong footprint in both defense and commercial markets. The company specializes in multibeam echo sounders, imaging sonars, and AUV-integrated sonar systems used for seabed mapping, offshore exploration, and naval operations. Kongsberg’s advanced sonar systems are widely adopted for high-precision hydrographic surveys and subsea monitoring. Its integration of sonar with autonomous platforms and digital marine ecosystems positions it as a key innovator in the evolving underwater sonar landscape.

Recent Developments

• In December 2025, Thales Group introduced the prototype of Sonar 76Nano, a miniaturized coastal/shipboard acoustic detection system designed to extend Thales’ Sonar 2076 capabilities into compact and NATO-aligned underwater sensing applications.

• In March 2025, Kongsberg Gruppen announced a groundbreaking AI partnership to add cloud-connected AI capabilities to its Simrad SY50 sonar line, enabling automated target extraction and easier fleet-level sonar data interpretation. 

Underwater Sonar Market Report Scope

Global Underwater Sonar Market Report Segmentation

This report forecasts revenue growth at the global, regional, and country levels and provides an analysis of the latest industry trends in each of the sub-segments from 2021 to 2033. For this study, Grand View Research has segmented the global underwater sonar market report based on sonar type, platform, application, end-use industry, and region.

• Sonar Type Outlook (Revenue, USD Million, 2021 - 2033)

  • Active Sonar

  • Passive Sonar

  • Dual / Combined Sonar

• Platform Outlook (Revenue, USD Million, 2021 - 2033)

  • Surface Vessels

  • Submarines

  • Autonomous Underwater Vehicles (AUVs)

  • Remotely Operated Vehicles (ROVs) / Unmanned Underwater Vehicles (UUVs)

  • Airborne Platforms

• Application Outlook (Revenue, USD Million, 2021 - 2033)

  • Anti-Submarine Warfare (ASW)

  • Mine Countermeasure (MCM)

  • Navigation & Collision Avoidance

  • Seabed Mapping / Hydrographic Survey

  • Underwater Surveillance & Security

  • Others

• End-Use Industry Outlook (Revenue, USD Million, 2021 - 2033)

  • Defense & Naval Forces

  • Commercial Maritime & Shipping

  • Oil & Gas Industry

  • Fisheries & Aquaculture

  • Oceanographic & Marine Research Institutes

  • Others

• Regional Outlook (Revenue, USD Million, 2021 - 2033)

  • North America

    • U.S.

    • Canada

    • Mexico

  • Europe

    • Germany

    • UK

    • France

  • Asia Pacific

    • China

    • Japan

    • India

    • South Korea

    • Australia

  • Latin America

    • Brazil

  • Middle East and Africa (MEA)

    • KSA

    • UAE

    • South Africa