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Islote Casteví Lighthouse

Fl (9) White 15s🇪🇸Formentera, ESOperational

Location & Light Range

About Islote Casteví Lighthouse

Also known as: Islote Casteví (Gastabi)

This cylindrical masonry tower stands 25 meters tall, with its light positioned 28 meters above sea level. Painted yellow with a single black horizontal band, it features a lantern and gallery. The lighthouse emits a white light with a single flash every 15 seconds, visible for 14.9 nautical miles. Access to the site is permitted, but the tower itself is closed to the public. It is located on a small island on the eastern side of the approach channel to La Savina, near Formentera.

Why it matters: This lighthouse is essential for the safe navigation of vessels entering and exiting the port of La Savina, clearly marking the eastern edge of the approach channel.

Light & Optic

Characteristic Signature
Fl (9) White 15s
Flash Type
Flashing
Light Color
White
Flash Count
9 flashes
Interval
15s
Raw Code
Fl W 15s
Focal Height
28m
Geographic Range
14.9NM

Location

City
Formentera
Country
🇪🇸Spain
Region
Balearic Islands
Sea Region
island on the east side of the approach channel to La Savina
Latitude
38.7742°
Longitude
1.4170°

References & Identifiers

Nearest Port
Cala Sabina(2.4 km)
Admiralty No.
E0253.5
NGA No.
4774

Tower & Structure

Tower Height
25m
Tower Shape
cylindrical
Tower Color
yellow with one black horizontal band
Material
masonry

Structure: round masonry tower with lantern and gallery, painted with black and white horizontal bands

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Islote Casteví Lighthouse at night?+
Islote Casteví displays the characteristic Fl (9) White 15s — 9 white flashes every 15 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Islote Casteví Lighthouse guide vessels into?+
Islote Casteví Lighthouse assists vessels approaching 5 nearby ports. The closest is Formentera Island at 2.4 NM to the S. Other ports served include Formentera (2.4 NM S), Sa Canal (3.9 NM NNW), Playa Den Bossa (6.6 NM N), Ibiza (8.4 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Islote Casteví Lighthouse still active and maintained?+
Yes, Islote Casteví Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Islote Casteví Lighthouse?+
Islote Casteví Lighthouse is located within the Mediterranean East-West corridor — a major trade route spanning the Mediterranean from Gibraltar to the Suez Canal. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Islote Casteví Lighthouse?+
You can track vessels near Islote Casteví Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.