National Maritime Historical Society

What National Maritime Historical Society does

The National Maritime Historical Society (NMHS) is a 501(c)(3) nonprofit membership organization founded in 1963 and headquartered in Peekskill, New York, with an additional editorial office in Pocasset, Massachusetts. The organization preserves and promotes awareness of America's maritime heritage through publishing, education, advocacy, and events, serving maritime history enthusiasts, educators, students, families, and approximately 100 partner maritime museums. Its flagship product is Sea History, a quarterly journal described as the pre-eminent publication in the field, complemented by Sea History for Kids, the International Journal of Naval History, Sea History Press books, documentaries (e.g., the Ernestina-Morrissey series, Flight 1549), a monthly First Thursdays Seminar Series, Annual Awards Dinners, and curated travel programs including expeditions to Antarctica and Iceland/East Greenland.

NMHS operates with no proprietary technology platform; its infrastructure is a NeonCRM-based membership portal, a WordPress-driven website (seahistory.org), and standard e-commerce for merchandise. The business model is diversified across recurring annual membership dues (which include a quarterly magazine and a CAMM museum card at Friend level and above), donations, planned giving through the NMHS Legacy Society, event ticket sales and sponsorships, merchandise, and travel program fees. Distribution is direct-to-consumer via the website, mail/phone enrollment, and reciprocal arrangements with the Council of American Maritime Museums (CAMM).

The organization is governed by a membership-elected Board of Trustees serving three-year terms and is led by Chair James A. Noone, Vice Chair Richardo R. Lopes, and President/Executive Director Cathy Green, with a small staff of 11–50 employees. Key partnerships include the National Park Service (via a National Maritime Heritage Grant funding research access), National History Day (maritime prizes for K-12 students), the American Society of Marine Artists (Art of the Sea exhibition), and the New York Yacht Club (Annual Awards Dinner venue). The organization holds the GuideStar Gold Seal of Transparency and operates as an independent entity with no parent company or outside equity ownership.

Name

National Maritime Historical Society

Legal name

National Maritime Historical Society

Website

https://seahistory.org

Company type

Private

Founded year

1963

Operating status

Operating

Headcount range

11–50 employees

Short description

The National Maritime Historical Society is a 501(c)(3) nonprofit founded in 1963 that preserves and promotes American maritime heritage through its quarterly Sea History magazine, educational programs, documentaries, seminars, and travel expeditions, serving maritime history enthusiasts, educators, students, families, and approximately 100 partner maritime museums.

Ownership category

akta.pro rank

Product category

Maritime Heritage Preservation / Nonprofit Cultural Services

NAICS

Museums, Historical Sites, and Similar Institutions (7121)

SIC

Services-Membership Organizations (8600), Periodicals: Publishing Or Publishing & Printing (2721)

akta.pro primary industry

Marine & Freshwater Conservation (BPAGAGAE)

Keywords

• Maritime heritage preservation
• Maritime history publishing
• Nonprofit membership society
• Maritime education programs
• Naval history advocacy

Headquarters

HQ city

Peekskill

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others, Technology or R&D

Revenue model

1. Membership Subscriptions: Annual membership dues providing four issues of Sea History magazine per year, CAMM museum card (at Friend level and above), and access to member-only digital content. Primary recurring revenue stream.
2. Donations and Contributions: One-time and recurring donations from members and supporters supporting the organization's preservation, education, and advocacy missions.
3. Planned Giving/Legacy Gifts: Bequests, charitable gift annuities, retirement accountbeneficiary designations, and life insurance policybeneficiaries through the NMHS Legacy Society.
4. Merchandise Sales: Online store selling NMHS-branded merchandise including apparel, books, marine art prints, holiday cards, note cards, and nautical items.
5. Event Revenue: Annual Awards Dinners serve as the single largest fundraising event, with ticket sales and sponsorships supporting organizational programs.
6. NMHS Travel Programs: Expedition cruises including Antarctica (2027), Iceland & East Greenland (2027), and NY & Boston Harbor Cruises (July 2026) provide travel experiences with educational components.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

The National Maritime Historical Society is a 501(c)(3) nonprofit membership organization that produces the quarterly Sea History magazine, publishes books through Sea History Press, runs educational programs (including Sea History for Kids and National History Day maritime prizes), produces maritime documentaries, and hosts events such as the Annual Awards Dinners and monthly First Thursdays Seminar Series. Its mission is to preserve and promote awareness of America's maritime heritage. The organization funds its work through membership dues, donations, grants, planned giving, merchandise sales, and travel program fees.

Product overview

The National Maritime Historical Society operates a multi-platform maritime heritage portfolio centered around Sea History magazine as its flagship quarterly publication. The society offers educational programs including Sea History for Kids, the NMHS Seminar Series author lectures, National History Day partnerships with maritime prizes, and NMHS Travel programs featuring expeditions and harbor cruises. Additional offerings include Sea History Press book publications, documentary film production (Sails Over Ice and Seas, Flight 1549), the Art of the Sea juried art exhibition, the International Journal of Naval History, the Ronald L. Oswald Maritime Library collections, and Annual Awards Dinners recognizing maritime achievement. The Maritime Nation digital initiative extends outreach for America's 250th anniversary.

Differentiator

Problem solved

Functional benefit

Brands

• Sea History Magazine: The pre-eminent journal of advocacy and education covering maritime museums, sail training, key events and people in maritime past, stories of everyday sailors, and marine archaeology with national focus and international scope. Published quarterly.
• Sea History Press
• Sea History for Kids
• Maritime Nation
• NMHS Legacy Society
• Ronald L. Oswald Maritime Library

Products and services

• Sea History Magazine Quarterly journal of maritime advocacy and education covering maritime museums, sail training, key historical events and figures, sailors' stories, and marine archaeology with national focus and international scope. Distributed to members and subscribers.
• Sea History for Kids Online educational resource featuring fun facts about nautical topics, puzzles, games, animal articles, archaeology, marine art, and information about maritime careers for children.
• NMHS Books / Sea History Press Publishing program producing titles exploring seafaring heritage, including memoirs, historical accounts, and maritime-themed books.
• NMHS Seminar Series (First Thursdays) Monthly author lecture series featuring expert presentations on maritime history topics, offered free to attend with virtual Zoom attendance options.
• NMHS Travel Programs Curated travel experiences including harbor cruises and expedition cruises to destinations such as Antarctica (2027), Iceland and East Greenland (2027), and NY & Boston Harbor Cruises (July 2026) for maritime enthusiasts.
• Art of the Sea Annual online juried art exhibition and sale showcasing American maritime history and marine art, conducted in partnership with the American Society of Marine Artists.
• Documentary Series Feature-length documentaries on remarkable ships and maritime events, including Sails Over Ice and Seas: The Life and Times of the Schooner Ernestina-Morrissey and Flight 1549: Miracles on the Hudson.
• International Journal of Naval History Academic journal focused on naval history research and scholarship.
• Ronald L. Oswald Maritime Library Maritime library and collections preserving maritime scholarship, literature, and seafaring lore for future generations.
• Awards Dinners Annual fundraising events recognizing outstanding contributions to maritime heritage, including the NYC Annual Awards Dinner at the New York Yacht Club and Washington Maritime Awards Dinners at the National Press Club.
• Maritime Nation Digital initiative exploring America's maritime history, launched in conjunction with America's 250th anniversary celebrations and tall ships events.
• NMHS Online Store (Merchandise) E-commerce storefront selling NMHS-branded merchandise including apparel, books, marine art prints, holiday cards, note cards, and nautical items. Members receive a 10% discount.
• National History Day Partnership Educational partnership offering maritime prizes in the year-long National History Day program for middle and high school students.
• NMHS Membership Program Annual membership program providing quarterly Sea History magazine, CAMM museum card (Friend level and above) for free entry to nearly 100 maritime museums, 10% merchandise discount, member card and decal, invitations to programs and cruises, and access to symposiums and conferences.
• NMHS Legacy Society (Planned Giving) Planned giving program including bequests, charitable gift annuities, retirement account beneficiary designations, and life insurance policy beneficiaries through the NMHS Legacy Society.

Quantifiable outcome

• Access to approximately 100 maritime museums through CAMM card membership benefit
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered core and major.

• Voyage Digital MediacoreStrategic or Co-development PartnerPartnership with Voyage Digital Media (led by NMHS Vice-Chairman Richardo R. Lopes) to sponsor documentaries highlighting maritime heritage. Produced tribute videos for award recipients and documentary series including Sails Over Ice and Seas: The Life and Times of the Schooner Ernestina-Morrissey.
• Council of American Maritime Museums (CAMM)coreGTM or Marketing PartnerCAMM card program providing NMHS members at Friend level and above free access to approximately 100 maritime museums across the country as a membership benefit.
• American Society of Marine Artists (ASMA)majorStrategic or Co-development PartnerAnnual Art of the Sea online juried art exhibition and sale showcasing American maritime history and marine art. Joint initiative to preserve and promote appreciation of American maritime heritage.
• New York Yacht ClubmajorGTM or Marketing PartnerVenue partner for Annual Awards Dinner, hosting the largest fundraising event promoting the work of the National Maritime Historical Society.
• National History DaycoreStrategic or Co-development PartnerNMHS proudly participates in National History Day, offering maritime prizes in this year-long educational program for middle and high school students.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Mystic Seaport Museum: The largest maritime museum in the United States, focused on American maritime history preservation, sail training, and educational programming. Operates as a comparable heritage institution with overlapping mission and content focus, although structured as a museum rather than a membership society.
• South Street Seaport Museum: New York-based maritime museum with deep historical ties to NMHS through founding president Peter Stanford. Operates historic ships and maritime collections with similar educational and preservation mission.
• USS Constitution Museum: Museum affiliated with the oldest commissioned warship in the U.S. Navy, focused on naval heritage preservation and education. Comparable educational mission and visitor-facing heritage programming.
• Mariners' Museum and Park: Affiliated with the U.S. Navy and home to the Newport News Shipbuilding collection, this institution preserves maritime history through exhibitions, library collections, and educational programs. Directly comparable mission to NMHS in maritime heritage stewardship and scholarship.
• Naval Historical Foundation: Nonprofit dedicated to preserving and promoting U.S. naval history through publications, oral histories, and educational programs. Closely aligned mission and member-driven nonprofit structure with NMHS.

Broad incumbents

• National Geographic Society: Mass-scale nonprofit operating a flagship magazine, membership program, and educational initiatives. Comparable membership-and-publication business model, though operating at vastly larger scale and broader topical scope than NMHS.
• National Trust for Historic Preservation: Largest U.S. nonprofit dedicated to historic preservation with a membership model, magazine (Preservation), grants program, and event fundraising. Comparable nonprofit heritage-preservation business architecture with similar advocacy and education pillars.
• Smithsonian National Museum of American History: Federal museum with significant maritime holdings including ship models and naval artifacts. While much larger and government-funded, it addresses overlapping American maritime heritage content for educational audiences.

Others

• Council of American Maritime Museums: Industry association of approximately 100 maritime museums that partners with NMHS through the CAMM card program. Acts as an enabling ecosystem participant rather than direct competitor, channeling NMHS member traffic to member institutions.

Emerging players

• American Society of Marine Artists: Partner organization that co-produces the annual Art of the Sea juried exhibition with NMHS. Smaller membership society promoting maritime art, with directly intersecting member communities and programming.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC8F8YQYJVmHLgMWUjcJ5O9w
• Facebookfacebook.com/National-Maritime-Historical-Society
• Instagraminstagram.com/seahistorynmhs
• Xx.com/NMHS_SeaHistory

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about National Maritime Historical Society