Jachthaven 't Hoorntje is a marina located on the Alkmaardermeer in Akersloot, Noord-Holland, offering direct access to this popular watersports area.

Reopened in May 2012 following an expansion, the marina features additional jetties and berths, along with onsite sanitary facilities including toilets, showers, and a laundry.

The surrounding area provides a range of amenities within easy reach, including a campsite along the waterfront, a supermarket within walking distance, and a restaurant and hotel nearby.

The Alkmaardermeer itself is considered an excellent watersports destination, and a beach roughly 8 kilometers away is conveniently accessible by bicycle.