Exterior
Mid to later C19 terrace. The Marine Hotel is at W end, with Nos 1-13 extending to E; the Marine Hotel has extended into Nos 1-3, and also 4-6.
North elevation of Marine Hotel to Mostyn Crescent: three pedimented dormers. Slate hipped roof. Sash glazing. Stuccoed walls. Eaves cornice with modillions and dentils and band. Quoins. Three segmental headed sash windows on third floor. Second floor with three triple sashes with pilasters, tiled band at window heads and cornices. Centre first floor bay with a triple window with pilasters and entablature with dentils. Each end first floor bay with a canted three-light bay window which descends to basement. Modern glazed verandah against ground floor. Stuccoed forecourt wall with balustrade with turned balusters; piers.
The W elevation of Hotel, facing Vaughan Street is in same style. Eight windows in all; pedimented dormers (right 2 dormers in steeply pitched roof); segmental sashes to top floor; on 2nd floor triple, double, and single sash windows in similar style to front. First and ground floors have, from L, splayed bay window descending to basement; broad bay with corner pilasters with entrance on ground floor; tripartite window with pediment with splayed bay below, narrow bay with window on each floor, splayed bay window descending to basement, narrow window on each floor, tripartite window with pediment with splayed bay below.
Nos 1 (now part of Marine Hotel): four storeys, two bays. Slate roofs. Small sash widows on third floor with flanking brackets descending from eaves and with stringcourse at cill level. Sash windows with moulded architraves on second floor. On first floor, a wide storeyed canted bay window of four lights to left hand which descends to ground floor; to right hand, a large rectangular bay window. On the ground floor, a modern glazed veranda common with veranda to main building of hotel. Stuccoed forecourt walls as before main building.
Nos 2 and 3 (also part of Marine Hotel): third and second floors as in No 1. In each left hand first floor bay there is a storeyed canted three-light bay window descending to basement. In each right hand first floor bay there is a sash window with moulded architrave and cornice on consoles; in each right hand ground floor bay a flight of steps leads up to a round-headed doorway with panelled spandrils and pilasters.
Nos 4, 5, & 6: now also part of marine Hotel (formerly the Regent Court Hotel). Modern glazing to top floor. Similar to nos 2 and 3. No 4 with dwarf stuccoed forecourt wall and one pier. Dwarf forecourt wall with balustrade; two piers.
No 7: similar to nos 2 to 6 (consec): Dwarf stuccoed forecourt wall and two piers. Modern door.
No 8: Hotel Penelope; similar to nos 2 to 7 (consec): Retains ironwork balcony before first floor right hand window.
No 9 similar to nos 2 to 8 (consec): Low stuccoed forecourt wall with baluster with turned balusters; two piers flanking entrance and one at right hand end.
No 10: Belvedere Hotel; similar to nos 2 to 10 (consec), but with modern glazing.
No 11: Glen Ormes Hotel; similar to nos 2 to 10 (consec). Modern glazing; third floor windows with pointed heads. Iron railings between nos 11 and 12.
Nos 12 and 13 project forward. Different style to rest of terrace. Three bays, with No 12, Kinmel Hotel occupying right hand 2 bays, No 13, Shelbourne, occupying L bay. Four storeys. Centre bay projects further still and is surmounted by a triangular pediment. Modillion eaves cornice. Quoins at ends below second floor. On third floor there are plain segmental headed sash windows with stringcourse across front sill level, one in centre bay and two in each end bay. On the second floor there is a tall triple sash window to each bay. In the first floor centre bay there is a three-light window with cornice on consoles. On the ground floor there is a prostyle stuccoed porch with pilasters and modillion cornice. Left return of No 13 of 3 bays; 5 camber-headed sashes to top floor; 3 paired round-headed windows to second floor; on first floor central single-light with cornice flanked by 2-light windows with pediments. Modern single storey extension. Iron railings between nos 12 and 13. No 13 with low stuccoed dwarf wall with balustraded parapet with turned balusters.