Blue Flag Certified

St. Maartenszee

North Holland, Netherlands: Excellent water quality

North Sea
52.7930°N, 4.6721°E

St. Maartenszee sits 2.78 km from Petten along the Netherlands coastline. The beach holds Blue Flag certification, which means it meets strict international standards for water quality, safety, and environmental management. The beach is open throughout its designated season, though swimmers should exercise appropriate caution.

Certification Blue Flag 2026 Excellent Water
Experience
Practical Free Entry

Plan Your Visit to St. Maartenszee

The key facts before you go

Blue Flag
Certified 2026
FEE annual certification
Water Quality
Excellent
EU Bathing Water Directive
Best Season
May, June, September
See season guide below
Location
Petten
2.78 km from Petten
Facilities
Basic facilities
Free entry · Open beach

What is St. Maartenszee?

St. Maartenszee sits 2.78 km from Petten along the Netherlands coastline. The beach holds Blue Flag certification, which means it meets strict international standards for water quality, safety, and environmental management. The beach is open throughout its designated season, though swimmers should exercise appropriate caution.

Drinking water is available on-site. May, June, and September offer the best conditions for a visit, while July and August draw the largest crowds. The Blue Flag is renewed annually by the Foundation for Environmental Education, so the beach maintains consistent quality standards year to year.

It sits alongside other certified beaches in North Holland, part of a broader network of other Blue Flag beaches in Netherlands certified annually by the Foundation for Environmental Education.

Bathing Water Quality: Excellent, verified under EU Bathing Water Directive standards. Blue Flag certification requires annual water quality monitoring.

When to Go: Month by Month

Month Air Temp Water Temp Crowds
Jan 5°C 2°C Low
Feb 5°C 2°C Low
Mar 6°C 3°C Low
Apr 9°C 6°C Low
May 13°C 10°C Med
Jun 16°C 13°C Med
Jul 18°C 15°C High
Aug 18°C 15°C High
Sep 16°C 13°C Med
Oct 13°C 10°C Low
Nov 8°C 5°C Low
Dec 6°C 3°C Low
When is the best time to visit St. Maartenszee?

The best time to visit St. Maartenszee is May, June, September. Air temperatures peak around 17.7°C in summer. Peak water temperature reaches 14.7°C in July.

How crowded does St. Maartenszee get?

Like most Blue Flag beaches in Netherlands, St. Maartenszee sees its highest visitor numbers in July and August. The beach maintains a pleasant atmosphere even in peak season.

Is St. Maartenszee open year-round?

The beach itself is accessible year-round, though staffed facilities including lifeguards typically operate only during the official season (typically July–September). The Blue Flag is displayed during the certification period only.

Swimming and Beach Life at St. Maartenszee

Is St. Maartenszee safe to swim?

St. Maartenszee is Blue Flag certified, which requires meeting strict bathing water standards set by the EU Bathing Water Directive. Water quality is rated Excellent. The beach does not have lifeguards stationed on the beach. Swim with appropriate caution.

What is the water temperature at St. Maartenszee?

Peak water temperature at St. Maartenszee reaches around 14.7°C in July, making it comfortable for swimming during the summer months. In winter (January), air temperatures average 5°C.

What is the beach like at St. Maartenszee?

St. Maartenszee on the North Holland coast of Netherlands. Drinking water is available on-site. May, June, and September offer the best conditions for a visit, while July and August draw the largest crowds. The Blue Flag is renewed annually by the Foundation for Environmental Education, so the beach maintains consistent quality standards year to year.

Does St. Maartenszee have good facilities?

As a Blue Flag certified beach, St. Maartenszee meets the Foundation for Environmental Education's standards for facilities and services.

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Getting to St. Maartenszee

How do I get to St. Maartenszee by car?

St. Maartenszee is approximately 2.78 km from Petten. Follow local road signs to the beach. Check Google Maps or a local map for the most current directions.

What is the nearest airport to St. Maartenszee?

The nearest airport is De Kooy Airport (DHR) (DHR), approximately 16.2 km away.

Can I get to St. Maartenszee by public transport?

Public transport options vary by season. Check local transport authority websites for current bus and train schedules connecting to Petten.

Near St. Maartenszee

Mapped toilets, bus stops, cafés, parking, and shops within about 500 m of St. Maartenszee. Distances are walking-line estimates from the beach pin.

Map loads when you ask. Tiles stay off the first paint.

Map: OpenStreetMap (ODbL)

Cafés near St. Maartenszee

  • Strandpaviljoen 'Zuid' Restaurant 86 m

Parking near St. Maartenszee

  • Parking Parking 79 m

Source: © OpenStreetMap contributors (ODbL). Names and positions come from mapped OSM features. Confirm on site.

Practical Information

At the Beach
Entry Free: no charge to access the beach
Lifeguards ✗
Showers ✗
Toilets ✗
Beach Type Coastal beach
Visiting Information
GPS Coordinates 52.7930°N, 4.6721°E
Water Quality Excellent (EU Bathing Water Directive)
Blue Flag Operator Foundation for Environmental Education (FEE), Netherlands

St. Maartenszee FAQ

Is St. Maartenszee suitable for children?

St. Maartenszee is Blue Flag certified in Netherlands, which requires meeting strict standards for water quality, safety, and facilities. Families should check current facility status with the local beach operator before visiting.

Is St. Maartenszee free to access?

Access to St. Maartenszee is free. There are no entry fees to enter the beach. It is a Blue Flag certified beach in North Holland, Netherlands, recognised for meeting international standards for water quality and environmental management.

When is the best time to visit St. Maartenszee?

The best time to visit St. Maartenszee is May, June, September. The peak season typically runs High season: July, August, when weather conditions and facilities are at their best. Peak water temperature reaches around 14.7°C in July. Outside peak season, the beach is quieter but some facilities may be reduced.

What is the water quality at St. Maartenszee?

St. Maartenszee is Blue Flag certified, which requires meeting strict EU Bathing Water Directive standards. Water quality is rated Excellent. Blue Flag certification is awarded and reviewed annually by the Foundation for Environmental Education (FEE). Beaches must pass water quality tests throughout the season to retain their status.

How do I get to St. Maartenszee?

St. Maartenszee is located in North Holland, Netherlands. It is approximately 2.78 km from Petten. The nearest airport is De Kooy Airport (DHR) (DHR), 16.2 km away. By car is the most flexible option. Check local transport authority websites for current bus and train schedules to the area.

Are there cafés near St. Maartenszee?

Yes. OpenStreetMap lists a café or restaurant near St. Maartenszee, including Strandpaviljoen 'Zuid' (86 m). Hours and seasonal opening are not verified here. Check on the day. © OpenStreetMap contributors (ODbL).

Is there parking near St. Maartenszee?

Yes. OpenStreetMap maps parking 79 m from St. Maartenszee. Charges and time limits are not recorded here. © OpenStreetMap contributors (ODbL).

Nearby Blue Flag Beaches

Petten
2.0 km away · Petten
View Beach Guide
Callantsoog
5.0 km away · Callantsoog
View Beach Guide
Groote Keeten
8.3 km away · Callantsoog
View Beach Guide
Strand Camperduin
8.4 km away · Schoorl
View Beach Guide
Schoorl aan Zee
9.4 km away · Schoorl
View Beach Guide

From the Zeach Blog

2026
The 33 Blue Flag Criteria Explained

Everything you need to know about what makes a beach qualify for Blue Flag status, from water quality to environmental education.

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2026
Best Blue Flag Beaches in Netherlands

Our editorial team's pick of the standout Blue Flag beaches in Netherlands, rated for family friendliness, scenery, and facilities.

Explore Netherlands
2026
How to Read a Blue Flag Beach

What the flag actually means, how certification works, and why a Blue Flag is a genuinely reliable signal, not just a marketing tool.

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Sources

Last verified September 2026. National operator pages and FEE listings are the primary certification sources.

Lotte Hansen , Northern Europe Beach Editor

Lotte Hansen covers Blue Flag beaches in North Holland for Zeach.net.

Edited by Arjun Nair, Coastal Research Editor | Updated October 2026