Mariners Inn
Mariners Inn is a Detroit-based 501(c)(3) nonprofit, founded in 1925, providing residential and outpatient substance abuse treatment, recovery housing, peer mentoring, and prevention programs for homeless adults, youth, and families in Wayne County. It operates the recently opened Anchor facility with 84 housing units.
- Company typePrivate
- Founded1925
- HeadquartersDetroit, United States
- Headcount11–50
- GTM typeB2C
- OfferingServices
What Mariners Inn does
Mariners Inn is a 501(c)(3) nonprofit behavioral health and housing organization founded in 1925 by the Episcopal Diocese of Michigan, originally as the Detroit Protestant Episcopal City Mission Society. Headquartered at 445 Ledyard Street in Detroit since 1955, it delivers a vertically integrated portfolio of services including residential substance abuse treatment (serving 700+ men annually), intensive outpatient programs (serving 190+ adults annually), recovery housing (36 beds), peer mentoring and alumni programs, alternative therapies (art, yoga, sound), non-emergency transportation, and prevention programs covering youth and families. The organization holds CARF's three-year accreditation and State of Michigan licensing as a residential and outpatient treatment center, and reports that $0.80 of every donated dollar is directed to client services.
Its underlying technology stack is minimal — there is no proprietary platform, API, or AI component; service delivery relies on clinical and peer-based human interventions supported by standard nonprofit digital infrastructure (website, social channels, Classy donation portal). The business model is multi-stream: government-funded services via the Detroit Wayne Integrated Health Network (DWIHN) referral pipeline, individual and corporate donations, planned giving through a Community Foundation for Southeast Michigan endowment, and branded merchandise sales ($15-$110 items) supporting donor engagement.
In March 2025, Mariners Inn completed The Anchor, a $25 million, 65,500 square foot facility developed in partnership with Cinnaire Corporation, adding 44 units of permanent supportive housing and 40 recovery housing units, plus ground-floor retail. This expansion effectively triples housing capacity, extends the service population to women for the first time, and represents the most significant operational inflection in the organization's 100-year history. Customer segments are persona-based and span homeless men with substance use disorders, outpatient adults with co-occurring conditions, young women ages 14-21 (SHE Program), young men ages 18-29 (RYPP), and families of clients.
Mariners Inn firmographics
Firmographics- Name
- Mariners Inn
- Legal name
- Mariners Inn
- Website
- https://marinersinn.org
- Company type
- Private
- Founded year
- 1925
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Mariners Inn is a Detroit-based 501(c)(3) nonprofit, founded in 1925, providing residential and outpatient substance abuse treatment, recovery housing, peer mentoring, and prevention programs for homeless adults, youth, and families in Wayne County. It operates the recently opened Anchor facility with 84 housing units.
- Ownership category
- akta.pro rank
Mariners Inn industry classification
Industry- Product category
- Behavioral Health and Substance Abuse Treatment Services
- NAICS
- Community Housing Services (62422), Temporary Shelters (624221), Outpatient Mental Health and Substance Abuse Centers (621420)
- SIC
- Services-Nursing & Personal Care Facilities (8050)
- akta.pro primary industry
- Homelessness Prevention, Shelter & Supportive Housing Services (BPAIANAC)
- akta.pro secondary industry
- Emergency Shelter, Camp Management & Non-Food Items (NFI) (BPAGAAAC)
Keywords
Where Mariners Inn is headquartered
LocationHeadquarters
- HQ city
- Detroit
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Mariners Inn business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Donations and Charitable Contributions: Individual and corporate donations through the organization's website portal and annual campaigns. The organization reports that $.80 of every $1.00 contributed is spent on programs and services.
- Merchandise Sales: Sale of branded merchandise including t-shirts, hoodies, water bottles, backpacks, and commemorative centennial items priced from $15 to $110.
- Government Funded Services: Funded through Detroit Wayne Integrated Health Network (DWIHN) for mental health and substance use treatment services provided to Wayne County residents.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Merchandise items - various apparel and accessories |
| Other | Pay-as-you-go | Donation tiers with impact examples |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels10 records
Mariners Inn product offering
Product offeringCore offering
Mariners Inn is a nonprofit shelter and treatment center providing residential substance abuse treatment, intensive outpatient treatment, recovery housing, permanent supportive housing, peer mentoring, alumni support, alternative therapy, non-emergency transportation, and prevention programs for homeless adults, individuals with substance use and co-occurring mental health disorders, and at-risk youth in Detroit and Wayne County, Michigan. Services are delivered at no direct cost to clients and supported primarily through donations, government funding (DWIHN), and grants.
Product overview
Mariners Inn offers a comprehensive suite of substance abuse treatment and support services organized as distinct programs. The core offerings include Prevention Programs (Strengthening Families, SHE, and Residential Youth Prevention), Residential Treatment Programs, Intensive Outpatient Treatment, Peer Mentoring & Alumni Programs, Alternative Therapy (Art, Yoga, Sound Therapy), and Non-Emergency Transportation. The flagship facility, The Anchor at Mariners Inn, provides 44 units of permanent supportive housing and 40 recovery housing units. Specialized programs include Residential Gambling Disorder Treatment and the Second Chance Program for clients who relapse. Merchandise products (hoodies, t-shirts, backpacks) are sold as fundraising items.
Differentiator
Problem solved
Functional benefit
Products and services
- Residential Treatment Programs Comprehensive substance abuse treatment services for men age 18+, including 12-step principles, cognitive behavioral therapy, individual and group therapy, case management, vocational assistance, GED and literacy services. Serves over 700 men annually in Detroit.
- Intensive Outpatient Treatment Program (IOP)
Quantifiable outcome
- 89% of consumers leave with the same or more financial resources than when they entered the Residential Program
- +5 more outcomes
Companies that use Mariners Inn
Customer profileNamed customers2 records
Segments5 records
Ideal customer profiles3 records
Mariners Inn technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Mariners Inn partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered minor and core.
- Pope Francis CenterminorCollaboration to curb chronic homelessness in Detroit through complementary services and coordinated outreach efforts.
- Detroit Wayne Integrated Health Network (DWIHN)coreDWIHN provides empowerment to people serving over 75,000 citizens in Detroit and Wayne County. They operate the 24-hour access line (800-241-4949) for substance abuse and mental health services, and provide funding, oversight, and coordination for treatment providers including Mariners Inn.
- Wayne State UniversityminorListed among community partners and donors. Wayne State University has provided support including delivery of grab-and-go bags during COVID-19 crisis.
Scale indicators7 records
Recent moves8 records
Expansion highlights6 records
Mariners Inn competitors and assessment
Company assessmentBroad incumbents
- Hazelden Betty Ford Foundation: Nationally recognized nonprofit provider of residential and outpatient substance use treatment with CARF accreditation; broader portfolio than Mariners Inn but directly comparable in core modality.
- Salvation Army Eastern Michigan / Great Lakes Division: National-scale faith-based nonprofit running Harbor Light substance abuse programs, shelter, and housing across Michigan, operating a broader portfolio of social services that includes direct competitors to Mariners Inn.
- Caron Treatment Centers: Established private nonprofit running residential and outpatient substance use disorder treatment with strong outcome reporting and accreditations similar to Mariners Inn's CARF posture.
- Volunteers of America Michigan: National nonprofit operating housing, recovery, and behavioral health programs throughout Michigan, with overlapping service lines including supportive housing and reentry services.
- Catholic Charities of Southeast Michigan: Regional Catholic Charities affiliate providing behavioral health, substance use treatment, housing, and refugee services across Southeast Michigan, overlapping with Mariners Inn's service categories.
Direct peers
- Detroit Rescue Mission Ministries: Detroit nonprofit operating emergency shelter, residential recovery, and faith-based substance abuse programs for homeless men, women, and children in the same service geography as Mariners Inn.
- Neighborhood Service Organization: Detroit-based nonprofit providing behavioral health, substance use treatment, supportive housing, and homelessness services across Wayne County, directly mirroring Mariners Inn's integrated model.
- Cass Community Social Services: Detroit nonprofit providing shelter, food, housing, and recovery services to homeless and low-income individuals, directly adjacent to Mariners Inn's Cass Park campus and overlapping donor base.
- Southwest Solutions: Detroit-based human services nonprofit offering behavioral health, supportive housing, and recovery programs in Wayne County with a comparable integrated care model.
- Pope Francis Center: Detroit nonprofit focused on chronic homelessness through direct outreach and shelter, co-located operationally with Mariners Inn (formal partnership to curb chronic homelessness in Detroit).
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Mariners Inn social profiles
Digital presenceMariners Inn compliance and trust
Trust signalCompliance2 records
Mariners Inn financial estimates
Financial estimateRevenue estimate
Valuation estimate
Mariners Inn leadership team
Management profileNumber of profiles
Profiles12 records
Mariners Inn funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Mariners Inn M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Mariners Inn
What does Mariners Inn do?
Mariners Inn is a nonprofit shelter and treatment center providing residential substance abuse treatment, intensive outpatient treatment, recovery housing, permanent supportive housing, peer mentoring, alumni support, alternative therapy, non-emergency transportation, and prevention programs for homeless adults, individuals with substance use and co-occurring mental health disorders, and at-risk youth in Detroit and Wayne County, Michigan. Services are delivered at no direct cost to clients and supported primarily through donations, government funding (DWIHN), and grants.
Is Mariners Inn a public or private company?
Mariners Inn is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Mariners Inn founded?
Mariners Inn was founded in 1925. It employs 11 to 50 people.
Where is Mariners Inn based?
Mariners Inn is headquartered in Detroit, United States, in the North America region.
How does Mariners Inn make money?
Three revenue lines are on record. Donations and Charitable Contributions are the primary driver. The others are merchandise Sales and government Funded Services.
Who are Mariners Inn's main competitors?
Broad incumbents on record are Hazelden Betty Ford Foundation, Salvation Army Eastern Michigan / Great Lakes Division, Caron Treatment Centers, Volunteers of America Michigan and Catholic Charities of Southeast Michigan. Direct peers are Detroit Rescue Mission Ministries, Neighborhood Service Organization, Cass Community Social Services, Southwest Solutions and Pope Francis Center.
Does Mariners Inn have an API?
No public API is recorded for Mariners Inn.
What industry is Mariners Inn in?
Mariners Inn's product category is Behavioral Health and Substance Abuse Treatment Services. Its primary akta.pro industry code is BPAIANAC, Homelessness Prevention, Shelter & Supportive Housing Services, with a secondary code of BPAGAAAC, Emergency Shelter, Camp Management & Non-Food Items (NFI). Its NAICS code is 62422 and its SIC code is 8050.