| Mariëndijk | |
| Settlement Type: | Hamlet |
| Native Name Lang: | nl |
| Image Map1: | Map NL - Westland - Mariëndijk.png |
| Map Caption1: | Mariëndijk in the municipality of Westland. |
| Pushpin Map Caption: | Location in the Netherlands |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Holland |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Westland |
| Coordinates: | 52.0119°N 4.2392°W |
| Population Total: | 173 |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Area Code Type: | Dialing code |
Mariëndijk is a hamlet in the Dutch province of South Holland which lies on the border of Honselersdijk and the grounds of the former Paleis Honselersdijk Huis Honselaarsdijk.
Today, the hamlet is a part of the municipality of the Westland. It is situated 1.6km (01miles) north of Naaldwijk, 6km (04miles) east of the beaches at Monster and Ter Heide, 2km (01miles) southwest of The Hague, 8km (05miles) west of Delft and 10km (10miles) northeast of Hook of Holland.
Mariëndijk is home to the pan European NGO, The Widow's Foundation, a philanthropic network supporting widows with multilingual and multidisciplinary expertise in medicine, law and finance.
Royal Flora Holland, the largest flower auction in the world, lies 1.5km (00.9miles) southwest of the hamlet.
In 2001, Mariëndijk had 173 inhabitants. The built-up area of the town was 0.019km2, and contained 71 residences.[1]