Marine Acoustics, Inc.


MAI is a scientific and engineering company providing a diverse set of government, corporate and international clients with a broad spectrum of consulting and engineering services.


MAI exists to provide leadership in strengthening technical knowledge of the ocean environment and information technology as a tool for solving complex marine environmental problems.


Our areas of expertise include a full range of environmental compliance services, undersea warfare design, test and evaluation services, sea test planning and support; all supported by an award-winning and internationally recognized research and development program.


MAI has played a major role in developing the tools needed to support the rapidly growing field of marine environmental management, providing support services to the US, foreign government agencies, and other commercial entities.

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Mai Featured Naval Tech And Training 2

MAI’s Naval Technology & Training Support staff provides a high level of expertise and experience in all aspects of naval systems design, development, test and evaluation, and training services.

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MAI is a world leader in the development of engineering and scientific models in support of both naval systems development and environmental engineering and science issues.

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Mai Service Support Services 2

MAI’s service staff provides the expertise to support an expansive set of research and development portfolios including program initiatives and on-going science, technology, test and evaluation efforts.

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Marine Acoustics, Inc.

Latest News



Marine Acoustics, Inc. (MAI) successfully completed the initial deployment of five omnidirectional acoustic mooring systems in early August 2023 in southern New England waters off Rhode Island and Massachusetts. MAI is part of the team led by LGL Ecological Research Associates, Inc., who is conducting the Bureau of Ocean Energy Management’s (BOEM’s) “Passive Acoustic Monitoring in the Massachusetts and Rhode Island Wind Energy Areas” project. The project includes recovering, refurbishing, and redeploying the passive acoustic mooring systems every 6 months over the next 2 years. The objective of BOEM’s project, which supports the Partnership for an Offshore Wind Energy Regional Observation Network (POWERON) program, is to conduct long-term passive acoustic monitoring of wind farm construction activities and of the presence of marine mammals.

MAI chartered the MV Tiki XIV out of Lewes, DE to deploy the mooring systems, which each include an omnidirectional hydrophone and acoustic recorder. The moorings have no surface expression as the top of the mooring is about 27 feet above the seafloor.

MAI provides the geographic locations of the five passive acoustic monitoring moorings offshore of Rhode Island and Massachusetts so that fishermen and other mariners are aware of their locations and can avoid inadvertent interactions with these moorings:

Mooring Number Mooring Geographic Location
1 71°9’37.609″W,  40°52’17.358″N
2 70°48’30.675″W  40°50’33.595″N
3b 69°58’42.642″W  40°48’37.668″N
4 70°42’15.473″W  40°40’8.467″N
5 70°28’7.774″W  40°39’16.272″N


Please contact MAI with any questions or for more information (moc.s1721303114citsu1721303114ocaen1721303114iram@1721303114ofni1721303114).

September 27, 2023
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MAI Continues Collaborative Development with JAIA Robotics

Jaiabot Training

Marine Acoustics, Inc. (MAI) and Jaia Robotics continued their collaborative development of an acoustically capable JaiaBot with a hands-on training session for MAI engineers on the use of the JaiaBot. JaiaBots represent an advancement in affordable, portable aquatic drones supporting the academic, industry, and government monitoring and measurement of underwater sound. MAI’s development of a passive acoustic capability that will be integrated into the JaiaBot vehicle will allow for rapid data collection and acoustic characterization.

For more information, contact MAI or JAIA Robotics 

August 30, 2023
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MAI Aids in Environmentally Responsible Offshore Development

MAI’s Dr. William Ellison and Dr. Jennifer Amaral collaborated with a group of expert scientists to develop a broadly applicable, transparent, repeatable analytical framework for assessing relative risk of anthropogenic activities on marine species, with an emphasis on the noise aspects of the activity. Drs. Ellison and Amaral contributed heavily to the conceptualization and development of a modular framework for assessing relative risk to marine species based on an understanding of the spatial-temporal-spectral intersections of animals and anthropogenic activities. Though created for use by both industry developers and government agencies to assist in minimizing environmental impacts during the installation of offshore windfarms, the risk assessment technique can be applied to the planning of any anthropogenic activity in the marine environment. This work was supported by the Bureau of Ocean Energy Management (BOEM).

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June 29, 2023
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Avoiding Active Acoustic Impact On Marine Mammals Using Autonomous Detection And Classification Technology

In-Depth Engineering Corporation (IEC), teamed with Marine Acoustics, Incorporated (MAI), L3Harris Corporation (L3), and QorTek, Incorporated will provide a low-cost, and compact active and passive acoustic marine mammal detection and classification capability for the Deep Water Active (DWA) component of the Deployable Surveillance System (DSS). This research effort pairs MAI ‘s subject matter expertise on sonar mitigation system design, marine mammal population dynamics, and vocal behavior ecology with IEC, L3, and OorTek’s proven technical capabilities in developing novel active and passive sonar systems.

June 13, 2023
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