| 1, Mariners Heights, Penarth | Leasehold | 53 m² | £133,000 (2020) |
| 3 Mariners Heights, Penarth | Leasehold | 47 m² | £107,000 (2013) |
| 4 Mariners Heights, Penarth | Leasehold | 52 m² | £153,000 (2024) |
| 5 Mariners Heights, Penarth | Leasehold | 50 m² | £140,000 (2025) |
| 7 Mariners Heights, Penarth | Leasehold | 51 m² | £113,000 (2007) |
| 8 Mariner'S Heights, Penarth, Penarth | Leasehold | 48 m² | £45,000 (1997) |
| 9 Mariners Heights, Penarth | Leasehold | 46 m² | £134,000 (2020) |
| 10 Mariners Heights, Penarth | - | 57 m² | - |
| 11, Mariners Heights, Penarth | - | 54 m² | - |
| 12 Mariners Heights, Penarth | Leasehold | 46 m² | £142,500 (2025) |
| 13, Mariners Heights, Penarth | Leasehold | 47 m² | £80,750 (2002) |
| 14 Mariners Heights, Penarth | - | 36 m² | - |
| 15 Mariners Heights, Penarth | Leasehold | 52 m² | £187,250 (2024) |
| 16 Mariners Heights, Penarth | Leasehold | 56 m² | £160,000 (2022) |
| 17, Mariners Heights, Penarth | Leasehold | 45 m² | £102,000 (2006) |
| 18 Mariners Heights, Penarth | Leasehold | 47 m² | £98,000 (2013) |
| 20 Mariners Heights, Penarth | Leasehold | 46 m² | £61,250 (1999) |
| 21, Mariners Heights, Penarth | Leasehold | 57 m² | £119,000 (2021) |
| 23, Mariners Heights, Penarth | - | 56 m² | - |
| 24 Mariners Heights, Penarth | Leasehold | 57 m² | £165,000 (2025) |
| 25 Mariners Heights, Penarth | Leasehold | 66 m² | £165,000 (2024) |
| 26 Mariners Heights, Penarth | Leasehold | 67 m² | £150,000 (2018) |
| 27, Mariners Heights, Penarth | Leasehold | 68 m² | £90,000 (2002) |
| 28 Mariners Heights, Penarth | Leasehold | 66 m² | £195,000 (2026) |
| 29 Mariners Heights, Penarth | Leasehold | 67 m² | £169,950 (2025) |
| 30, Mariners Heights, Penarth | Leasehold | 66 m² | £160,000 (2015) |
| 31, Mariners Heights, Penarth | Leasehold | 66 m² | £170,000 (2022) |
| 33 Mariners Heights, Penarth | Leasehold | 66 m² | £168,000 (2025) |
| 34 Mariner'S Heights, Penarth, Penarth | Leasehold | 67 m² | £56,000 (1996) |
| 35, Mariners Heights, Penarth | - | 66 m² | - |
| 36, Mariners Heights, Penarth | Leasehold | 69 m² | £145,000 (2019) |