What Monument Marine Group does

Monument Marine Group is a privately held, Mid-Atlantic-based investment firm that acquires, owns, and improves marinas across the United States and the Caribbean. As of September 2025, the company has rebranded to Alliance Marine, with operations continuing under the new identity at alliancemarine.co. The firm targets individual marina owners and national developers seeking a steward buyer, positioning itself as a long-term holder that preserves marina legacy while modernizing facilities for contemporary boaters. The leadership team, including founder and managing director Tom Wood, brings over 60 years of combined experience in construction, real estate development, and marina management, which underpins the firm's underwriting and improvement capabilities.

The portfolio currently consists of four marina properties totaling 1,200+ boat slips: St. Augustine Marine Center in Florida, Harbor Lights Marina in Warwick, Rhode Island (212 slips, acquired May 2023 from the Noel family in the firm's largest expansion to date), Lighthouse Point Marina in Baltimore, Maryland (400 wet slips, recently renovated, with on-site restaurant and pool), and Skipjack Cove Marina in Georgetown, Maryland. Revenue is generated primarily from recurring wet-slip and mooring rentals booked through individual marina websites, supplemented by transaction-based income from on-site hospitality amenities including event centers, restaurants, bars, and entertainment venues at select properties. The firm does not self-operate: at Harbor Lights it partners with Oasis Marinas, which handles day-to-day hospitality and amenities management, indicating an asset-owner model that leverages third-party operators.

No proprietary technology, AI/ML capabilities, public funding rounds, or audited financial disclosures are present in the available source material. Customer acquisition is conducted through a dedicated 'Partner' page targeting marina sellers and direct booking on each marina's branded website; the firm maintains a minimal digital footprint with LinkedIn as the primary social channel. The combination of small internal headcount (1-10 employees), outsourced operations, and a buy-and-improve real estate strategy defines Monument Marine Group as a niche, capital-backed marina holding company rather than a technology or operating-marina business.

Name

Monument Marine Group

Legal name

Monument Marine Group

Website

https://monumentmarinegroup.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Monument Marine Group (now Alliance Marine) is a Mid-Atlantic-based private investment firm that acquires, owns, and improves marinas across the United States and Caribbean. It serves individual marina owners and national developers seeking a steward buyer, and rents slips and hospitality amenities to recreational boaters across a four-property, 1,200+ slip portfolio.

Ownership category

akta.pro rank

GTM type

B2C

Offering type

Services

Cost components

Operations, Personnel, Marketing or Sales, Infrastructure, Supply Chain

Revenue model

1. Marina Slip Rentals: The primary revenue stream comes from renting wet slips and boat moorings to individual boaters. Each marina offers direct booking through individual marina websites. Lighthouse Point Marina features 400 wet slips.
2. Hospitality and Amenity Services: Revenue generated from on-site restaurants, event centers, bars, and other hospitality amenities at marina properties. Harbor Lights Marina features an event center, pool, and bar restaurant. Lighthouse Point Marina features an on-site restaurant with live entertainment and a swimming pool.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Monument Marine Group is a Mid-Atlantic-based investment firm that acquires, owns, and improves marinas across the United States and the Caribbean. The company operates four marina properties (St. Augustine Marine Center in Florida, Harbor Lights Marina in Rhode Island, Lighthouse Point Marina in Maryland, and Skipjack Cove Marina in Maryland) totaling 1,200+ wet slips, and generates revenue through slip rentals to recreational boaters and on-site hospitality amenities including restaurants, event centers, pools, and bars.

Product overview

Monument Marine Group is a Mid-Atlantic-based investment firm that owns and improves marinas across the United States and Caribbean. The company combines over 60 years of experience in construction, development, and management with a boating passion to create waterfront experiences. The portfolio consists of four marina properties: St. Augustine Marine Center (Florida), Harbor Lights Marina (Rhode Island), Lighthouse Point Marina (Maryland), and Skipjack Cove Marina (Maryland), totaling approximately 1200 boat slips. The company rebranded to Alliance Marine in 2025.

Differentiator

Problem solved

Functional benefit

Products and services

• St. Augustine Marine Center
• Harbor Lights Marina
• Lighthouse Point Marina
• Skipjack Cove Marina

Quantifiable outcome

• 212 slips at Harbor Lights Marina, 400 wet slips at Lighthouse Point Marina
• +1 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core and minor.

• Oasis MarinascoreChannel Partner/ Reseller/ Distributor · 22 May 2023Oasis Marinas operates Harbor Lights Marina in Warwick, Rhode Island, providing hospitality and amenities to visitors and the local community. This is a key operational partnership for the acquired marina property.
• Noel FamilyminorOthers · 22 May 2023The Noel family sold Harbor Lights Marina to Monument Marine Group, marking the company's largest portfolio expansion. This was an acquisition transaction rather than an ongoing partnership.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Others

• MarineMax: While primarily a boat retailer, MarineMax operates marinas and storage facilities and serves the same recreational boating end-customer, making it an adjacent peer for the boater customer base Monument targets.

Regional players

• Camper & Nicholsons Marinas: Camper & Nicholsons operates premium marinas in the Mediterranean and select Caribbean locations. It is comparable for the company's stated Caribbean expansion ambitions and shared focus on premium marina hospitality experiences.

Emerging players

• Oasis Marinas: Oasis is Monument's operating partner at Harbor Lights and a third-party marina management company. It is comparable as a growing operator of premium marinas and a potential acquirer or competitor for the same marina targets.
• Marine Properties Group: A privately-held owner-operator of marinas in the southeastern U.S. that competes for similar slip-rental revenue and hospitality amenities in geographies adjacent to Monument's footprint.

Direct peers

• Suntex Marina Investors: Suntex is the largest publicly-traded pure-play marina owner and operator in the U.S. It acquires and operates marinas across premium boating markets, making it the closest direct comparable to Monument/Alliance's marina investment thesis.
• Safe Harbor Marinas: Safe Harbor is the largest owner-operator of recreational marinas in the U.S. (backed by Blackstone). It pursues the same acquisition-and-improve strategy in coastal boating markets and is the dominant direct competitor for marina acquisition targets.
• IGY Marinas: IGY operates a global portfolio of premium marinas including U.S. locations and Caribbean destinations that overlap directly with Monument's stated geographic footprint (US and Caribbean).

Broad incumbents

• Sun Communities (Marina segment): Sun Communities operates marinas as part of a broader manufactured housing and RV/marina real estate platform. It is comparable as a large, diversified real estate owner with marina exposure competing for similar capital and acquisitions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/monumentmarinegroup

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Monument Marine Group