Table 1. List of marinas sampled, with corresponding number, geographical coordinates, sampling dates and boat hulls sampled or not (Y, Yes; N, No).
| Country | # | Locality name | Marina name | Latitude and longitude | Sampling dates | Boats sampled |
|---|---|---|---|---|---|---|
| Spain | 1 | Alicante | Marina de Alicante | 38.339°N; 0.4799°E | 14/11/2016 | N |
| 2 | Barcelona | One Ocean Port Vell | 41.376°N; 2.187°E | 22/11/2016 | N | |
| France | 3 | Agde | Port Principal du Cap d’Agde | 43.281°N; 3.501°E | 5–18/06/2015 | Y |
| 4 | La Grande-Motte | Port de la Grande-Motte | 43.557°N; 4.082°E | 02/11/2016 | N | |
| 5 | Le Grau-du-Roi | Port du Plaisance du Port Camargue | 43.515°N; 4.132°E | 16–28/05/2015 | Y | |
| 6 | Saint-Tropez | Port de Saint-Tropez | 43.278°N; 6.637°E | 1–30/04/2016 | Y | |
| 7 | Cogolin | Marines de Cogolin | 43.065°N; 6.586°E | 1–30/04/2016 | Y | |
| 8 | Sainte-Maxime | Port Privé de Sainte-Maxime | 43.307°N; 6.638°E | 1–30/04/2016 | Y | |
| 9 | Cannes | Cannes Le Vieux Port | 43.540°N; 7.032°E | 19–28/04/2015 | Y | |
| 10 | Antibes | Port Vauban | 43.585°N; 7.127°E | 1–12/05/2015 | Y | |
| 11 | Villefranche-sur-Mer | Port de Villefranche | 43.698°N; 7.307°E | 22–30/11/2016 | N | |
| Italy | 12 | Lido di Ostia | Porto Turistico di Roma | 41.737°N; 12.250°E | 12–19/07/2015 | Y |
| 13 | Ischia Island | Marina di Casamicciola; Marina di Sant’Angelo; Porto d’Ischia | 40.748°N; 13.906°E 40.695°N; 13.893°E 40.743°N; 13.939°E | 1–11/08/2015 | Y | |
| 14 | Sorrento | Porto Turistico Marina Piccola Sorrento | 40.629°N; 14.375°E | 22–29/07/2015 | Y | |
| 15 | Palermo | Marina Villa Igiea | 38.142°N; 13.370°E | 26–29/07/2016 | Y | |
| 16 | Palermo | Porto La Cala | 38.120°N; 13.368°E | 2–3/08/2016 | N | |
| 17 | Riposto | Porto dell’Etna | 37.732°N; 15.208°E | 17–28/09/2016 | Y | |
| 18 | Siracusa | Porto Grande (Marina Yachting) | 37.063°N; 15.284°E | 15-16/08/2016 | N | |
| 19 | Marzamemi | Marina di Marzamemi | 36.733°N; 15.119°E | 08/10/2016 | N | |
| 20 | Marina di Ragusa | Porto Turistico Marina di Ragusa | 36.781°N; 14.546°E | 1–7/09/2016 | Y | |
| 21 | Licata | Marina di Cala del Sole | 37.097°N; 13.943°E | 5–10/08/2016 | Y | |
| Malta | 22 | Msida | Msida Yacht Marina | 35.896°N; 14.493°E | 1–8/07/2016 | Y |
| 23 | Valletta | Grand Harbor Marina | 35.890°N; 14.523°E | 11–18/07/2016 | Y | |
| Greece | 24 | Heraklion | Old Venetian Harbor | 35.343°N; 25.136°E | 1–15/11/2015 | Y |
| 25 | Agios Nikolaos | Agios Nikolaos Marina | 35.187°N; 25.136°E | 18–25/11/2015 | Y | |
| 26 | Rhodes | Mandraki Port | 36.449°N; 28.226°E | 2–11/06/2016 | Y | |
| Turkey | 27 | Istanbul | Setur Kalamış Marinas | 40.976°N; 29.039°E | 28/08/2015 | Y |
| 28 | Bodrum | Milta Bodrum Marina | 37.034°N; 27.425°E | 9–11/09/2015 | Y | |
| 29 | Datça | Datça Marina | 26.722°N; 27.689°E | 10/10/2015; 13/05/2016 | N | |
| 30 | Marmaris | Setur Marmaris Netsel Marina | 36.852°N; 28.276°E | 14–18/09/2015 | Y | |
| 31 | Fethiye | Eçe Marina | 36.623°N; 29.101°E | 19–24/09/2015 | Y | |
| 32 | Finike | Setur Finike Marina | 36.294°N; 30.149°E | 18–27/05/2016 | Y | |
| Cyprus | 33 | Karpaz | Karpaz Gate Marina | 35.558°N; 34.232°E | 21–27/06/2016 | Y |
| 34 | Famagusta | Famagusta Port | 35.123°N; 33.952°E | 13–19/06/2016 | Y |