Old Port Sea Grill

What Old Port Sea Grill does

Old Port Sea Grill is a privately-held, single-location seafood restaurant operating at 93 Commercial Street in Portland, Maine's historic Old Port district since 2002. The restaurant serves individual diners, groups, and private event hosts through dine-in service with a focus on fresh locally-sourced Maine seafood, an East Coast oyster raw bar, steaks, chicken, and vegetarian/gluten-free options. Facilities include a dining room for up to 75 guests, a bar and lounge accommodating up to 125 guests for cocktail events, and a 500-gallon saltwater fish tank. The beverage program covers classic and craft cocktails, local draft beers, and a food-friendly wine list.

The business operates a direct-to-consumer model across four revenue streams: dine-in restaurant sales, private events and functions, catering and off-premise delivery, and a weekday Buck-a-Shuck happy hour ($1 oysters, Mon-Fri 3PM-6PM). Distribution is anchored by the physical storefront with online reservation bookings via Resy (primary) and OpenTable (secondary), plus third-party delivery through CarHop covering the Old Port area. Pricing is per-unit across the menu with raw bar items $3.50/oyster or $48 for a sampler, sandwiches around $19, dinner entrees $24-$41, and catering packages at $500-$550. A 3% business operating surcharge is added to final checks, and parties of six or more incur a 20% automatic gratuity.

The restaurant is independently owned with approximately 12 employees, no disclosed institutional backing, and no expansion beyond the single Portland location. Marketing is primarily organic: Instagram and Facebook activity, online reservation listings, customer reviews, and the Buck-a-Shuck promotion as demand generation. There is no proprietary technology platform, app, or disclosed AI/ML capability; the competitive positioning rests on brand longevity, raw bar expertise, locally-traceable oyster sourcing, signature physical features (fish tank, concrete bar), and waterfront-adjacent location near the Portland Ferry Terminal.

Name

Old Port Sea Grill

Legal name

Old Port Sea Grill

Website

https://oldportseagrill.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

Old Port Sea Grill is a privately-held, single-location seafood restaurant in Portland, Maine's Old Port district, serving fresh Maine seafood, raw bar, and craft cocktails to walk-in diners, private event hosts, and catering clients since 2002.

Ownership category

akta.pro rank

Product category

Seafood Restaurant

NAICS

Full-Service Restaurants (722511), Caterers (722320)

SIC

Retail-Eating & Drinking Places (5810), Retail-Eating Places (5812)

akta.pro industry

PRIMARYTHAFACAE

Steakhouses & Seafood Restaurants

Travel & Hospitality/Foodservice & Beverage (Restaurants, Cafes, Bars)/Full-Service Restaurants (Casual & Fine Dining)

SECONDARYTHAJALAH

Private Culinary Experiences (Chef’s Table, Home Dining, Market-to-Meal)

Travel & Hospitality/Tours, Attractions & Experiences/Private & Custom Experiences (VIP, Bespoke Itineraries)

Keywords

• Seafood restaurant
• Raw bar
• Private events
• Off-premise catering
• Maine seafood

Headquarters

HQ city

Portland

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Dine-in Restaurant Sales: Revenue from walk-in and reservation customers dining in the restaurant, ordering from the full menu including raw bar, entrees, sandwiches, and drinks. This is a one-time transaction model per customer visit.
2. Private Events & Functions: Revenue from hosting private events including cocktail receptions (up to 125 guests) and seated dinners (up to 75 guests). Menu options include cocktail receptions with a la carte hors d'oeuvres, seated luncheons, and seated dinner menus. Customizable menus for private parties.
3. Catering & Delivery: Revenue from off-premise catering packages (SeafoodParty $500, Boat Lunch $525, AppetizerSampler $550) and a la carte catering items. Delivery provided free to Old Port area through CarHop platform. Requires 48 hours notice with 20% service charge.
4. Happy Hour: Special pricing during happy hour (Mon-Fri 3PM-6PM) featuring $1 oysters (Buck-a-Shuck), driving foot traffic during off-peak hours and increasing beverage sales alongside discounted food items.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Old Port Sea Grill is a single-location full-service seafood restaurant serving fresh Maine seafood with a signature raw bar (oysters, shrimp, chilled lobster), a full dinner menu (sandwiches, salads, appetizers, and entrees including lobster fra diavolo, haddock, scallops, salmon, steak frites), and a craft beverage program. The restaurant supplements dine-in service with weekday happy hour ($1 oysters, Mon-Fri 3-6PM), private event hosting for up to 125 guests, and off-premise catering with delivery to the Old Port area.

Product overview

Old Port Sea Grill is a single-location seafood restaurant in Portland, Maine, operating since 2002. The establishment offers a unified dining experience centered on its raw bar and dinner service, supplemented by a craft cocktail and wine program, happy hour promotions, and private event catering capabilities. The core product is the dinner menu featuring Maine seafood, complemented by add-on services for happy hour, private events, and catering/delivery.

Differentiator

Problem solved

Functional benefit

Products and services

• Dinner Menu

Named customers3 records

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core.

• ResycoreGTM or Marketing PartnerResy is the primary online reservation platform used by Old Port Sea Grill for table bookings. Customers can book directly through Resy with special occasion requests.
• OpenTablecoreGTM or Marketing PartnerOpenTable is integrated on the restaurant website for reservation bookings as an alternative to Resy. The restaurant appears on OpenTable's listing pages.
• CarHopcoreChannel Partner/ Reseller/ DistributorCarHop is the third-party delivery platform used by Old Port Sea Grill for off-premise orders. The restaurant offers free delivery to the Old Port area through this platform.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Fore Street: Iconic Portland, Maine farm-to-table restaurant in the Old Port area with a strong seafood-driven menu and similar full-service, high-touch dining experience.
• Hugo's: Long-established upscale Portland restaurant with seafood-forward tasting menus and craft bar program; comparable target customer and price point in the same city.
• Eventide Oyster Co. Portland, Maine oyster-bar and seafood restaurant with a raw-bar-forward concept and casual full-service dining — directly comparable raw-bar positioning, geography, and price point to Old Port Sea Grill.
• Street and Company: Portland Old Port seafood restaurant offering a full-service menu with fresh fish and shellfish — a direct local peer in both cuisine and setting.
• Scales: Portland waterfront seafood-focused restaurant emphasizing fresh local catch and a polished full-service dining room — directly comparable concept and geography.
• DiMillo's on the Water: Portland floating seafood restaurant and bar on a converted ferry — directly comparable seafood concept, waterfront adjacency, and event/group dining capabilities.
• Boone's Fish House: Portland waterfront seafood restaurant and bar serving fresh local seafood with marina/water views — directly comparable seafood concept and Portland geography.

Broad incumbents

• Luke's Lobster: Multi-location lobster-focused seafood brand with Portland roots and national footprint — comparable seafood identity but broader, chain-style operating model versus Old Port's single-location independence.

Regional players

• The Lobster Shack at Two Lights: Cape Elizabeth, Maine seafood shack serving lobster and fresh local catch in a destination setting — comparable seafood-only positioning but different geography and casual format.
• The Clam Shack: Kennebunkport, Maine seafood destination specializing in fried clams, lobster rolls, and casual seafood — comparable Maine coastal seafood identity but regional rather than Portland-based.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/OldPortSeaGrill
• Instagraminstagram.com/theoldportseagrill
• LinkedInlinkedin.com/company/old-port-sea-grill

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Old Port Sea Grill