Best Diner in Portsmouth, Hampshire (7 Venues)
Every diner venue we list in Portsmouth — dining establishments — ordered by Google rating, then by how many people reviewed it.
All Diner in Portsmouth
Mumms Cafe
Cafe
2, Festing Buildings, Highland Rd, Southsea, Portsmouth, Southsea PO4 9BZ, United Kingdom
McDonald's
Fast food restaurant
219/223 Commercial Rd, Portsmouth PO1 4BJ, United Kingdom
Clarence Pier Brewers Fayre
Family restaurant
Long Curtain Rd, Southsea, Portsmouth, Southsea PO5 3XX, United Kingdom
McDonald's
Fast food restaurant
Portsmouth Rd, Cosham, Portsmouth PO6 2SW, United Kingdom
McDonald's
Fast food restaurant
Unit 3, The Pompey Centre, Fratton Way, Southsea, Portsmouth, Southsea PO4 8SL, United Kingdom
McDonald's
Fast food restaurant
Clement Attlee Way, Cosham, Portsmouth PO6 4SR, United Kingdom
McDonald's
Fast food restaurant
Ocean Park, Burrfields Rd, Portsmouth PO3 5NP, United Kingdom
Diner in Portsmouth, by the numbers
We list 7 diner venues in Portsmouth. 7 carry a Google rating, averaging 3.8 out of 5, and 0 of those sit at 4.5 or above. 7 have more than 100 reviews, from 14,666 reviews in total.
The highest rated is Mumms Cafe at 4.3 from 658 reviews; the most reviewed is McDonald's, with 3,043 reviews at 3.6.
They span 5 postcode districts (PO1–PO6).
Listings are compiled from Google Places, last refreshed 21 December 2025. Ratings and review counts are Google's and are shown unedited. We don't hold menus, prices or opening hours — check with the venue before travelling.