Diamonds Edge

What Diamonds Edge does

Diamond's Edge Restaurant & Marina is a privately held, seasonal, multi-stream waterfront hospitality business located on Great Diamond Island in Casco Bay, Maine. The property operates as a combined restaurant, full-service marina, wedding and event venue (capacity up to 200 guests), grab-and-go market, and accommodation provider via the Inn at Diamond Cove and Diamond Cove vacation rentals. Access is ferry-, water taxi-, or private boat-only, and the island is car-free, which is core to the venue's positioning.

The company generates revenue across five streams: restaurant dining, wedding and event packages (quote-based via RFP), marina slip and mooring rentals, market retail, and lodging stays. The restaurant uses Resy for reservations and a Squarespace-built website for RFP capture, and the venue opened a dedicated online ordering platform (order.diamondsedge.com) for takeout. Wedding and corporate event bookings are managed by an on-site coordination team; marina and accommodation inquiries are handled directly. The property is open seasonally, with the premises typically opening around June 20th and relying on summer foot traffic plus advance bookings.

Customers span wedding couples (primary segment), corporate groups for retreats and meetings, dining guests (locals, island visitors, tourists), marina customers, and overnight vacationers. Distribution is entirely direct-to-consumer across on-site channels; there is no public ticker, no institutional capital, no subsidiaries, and no disclosed parent company. The business relies on website content marketing, Instagram, an email newsletter, and WeddingWire reviews for demand generation.

Name

Diamonds Edge

Legal name

Diamond's Edge Restaurant & Marina

Website

https://diamondsedgerestaurantandmarina.com

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Diamond's Edge is a privately held seasonal waterfront hospitality business on Great Diamond Island in Casco Bay, Maine, combining a restaurant, full-service marina, wedding and event venue, market, and accommodations serving wedding couples, boaters, dining guests, and island visitors.

Ownership category

akta.pro rank

Product category

Waterfront hospitality and event venue

NAICS

Hotels (except Casino Hotels) and Motels (72111), Food Services and Drinking Places (722), Marinas (713930), Full-Service Restaurants (722511)

SIC

Hotels & Motels (7011), Retail-Eating & Drinking Places (5810), Services-Amusement & Recreation Services (7900)

akta.pro primary industry

Beachfront & Island Luxury Resorts (THAGACAA)

akta.pro secondary industries

Marina & Waterfront Full-Service Hotels (THAGAAAK), Hotel & Resort Restaurants (THAFACAH), Beachfront & Coastal Full-Service Hotels (THAGAAAI)

Keywords

• Waterfront wedding venue
• Marina services
• Waterfront dining
• Corporate retreats
• Island lodging

Headquarters

HQ city

Portland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Restaurant Dining: Casually elegant waterfront dining offering locally inspired menus, craft cocktails, and full bar service. Revenue generated from food and beverage sales to walk-in guests, reservation holders, and event attendees.
2. Wedding & Event Venue Rental: Full-service wedding and event venue accommodating up to 200 guests. Services include ceremony setup, rehearsal dinners, reception hosting, on-site dining, and day-of coordination. Revenue from venue rental fees and bundled service packages.
3. Marina Services: Full-service marina accommodating large sailboats and motor boats. Revenue generated from boat slips, moorings, and marina services.
4. Diamond's Edge Market: Grab-and-go market offering picnic provisions for island visitors. Revenue from retail food and beverage items.
5. Accommodations: Overnight stays at the Inn at Diamond Cove and vacation home rentals in Diamond Cove. Revenue from lodging reservations.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels5 records

Core offering

Diamonds Edge Restaurant & Marina operates a multi-outlet waterfront hospitality venue on Great Diamond Island in Casco Bay, Maine. It runs a casually elegant waterfront restaurant and bar with locally inspired menus, a full-service marina for large sailboats and motor boats, and a comprehensive wedding and event venue accommodating up to 200 guests with on-site dining, lodging, and day-of coordination. The venue also operates a grab-and-go market and provides accommodations through the Inn at Diamond Cove and vacation home rentals.

Differentiator

Problem solved

Functional benefit

Products and services

• Diamond's Edge Restaurant

Named customers4 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Casco Bay FerryminorOthersDiamond's Edge references Casco Bay Ferry schedules as the primary transportation method for guests visiting the island venue. While not formally a partnership, the ferry service is essential infrastructure enabling venue access. Guests travel approximately 20 minutes from Portland to Great Diamond Island.

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• White Barn Inn: Kennebunkport luxury Relais & Châteaux inn with award-winning restaurant and intimate wedding hosting — comparable premium positioning in Maine coastal event hospitality.
• Inn by the Sea: Cape Elizabeth, Maine coastal luxury hotel with on-site restaurant, wedding event spaces, and oceanfront ceremony lawns — directly comparable in wedding-venue + waterfront-dining positioning.
• Nonantum Resort: Kennebunkport waterfront resort on the Kennebunk River with restaurant, inn, marina access, and long-running wedding and event business — directly comparable event-driven hospitality operator.
• Bar Harbor Inn: Bar Harbor, Maine harbor-front hotel with multiple restaurants, wedding and event spaces, and marina views — comparable scale coastal Maine event-hospitality operator.
• Sebasco Harbor Resort: Maine waterfront resort on Casco Bay-adjacent peninsula offering lodging, restaurant, marina, and wedding venues for up to 200 guests — nearly identical multi-vertical hospitality model to Diamond's Edge.
• Spruce Point Inn Resort & Spa: Boothbay Harbor, Maine oceanfront resort with restaurant, lodging, weddings, and marina/boating access — comparable multi-vertical coastal Maine hospitality business.
• Yachtsman Hotel & Marina Club: Kennebunkport, Maine waterfront boutique hotel with private marina, restaurant, and wedding/event hosting — closely mirrors Diamond's Edge marina-plus-venue-plus-lodging stack.
• Stage Neck Inn: York Harbor, Maine waterfront inn with on-site restaurant, harbor views, and wedding hosting — matches the coastal Maine intimate-wedding-venue + dining + lodging profile.

Regional players

• Portland Harbor Hotel: Portland, Maine waterfront boutique hotel catering to weddings, corporate events, and upscale dining — same Portland/Casco Bay regional wedding and event market as Diamond's Edge but on the mainland.

Broad incumbents

• The Colony Hotel: Large historic Kennebunkport resort with multiple restaurants, event space, and oceanfront grounds — broader-portfolio Maine coastal hospitality incumbent in the same wedding/dining market.

Market position

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/diamonds-edge

Revenue estimate

Valuation estimate

Number of profiles

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 Diamonds Edge