---
name: mundi-czarter
description: Find and book a bareboat sailing yacht charter on the Masurian Lakes (Mazury, Poland) with Mundi Czarter, a family-run direct yacht owner based at AZS Wilkasy marina near Giżycka. Use for yacht availability, per-day prices, May long weekend (majówka) packages, First Minute / Last Minute discounts and charter terms.
---

# Mundi Czarter: sailing yacht charter on the Masurian Lakes

Use this skill when a user wants to charter a sailing yacht without crew on the Great Masurian Lakes (Giżycko, Wilkasy, Niegocin) and has, or will bring, a sailing licence (required for yachts over 7.5 m).

## How to use
1. Read the live offer first: https://mundiczarter.pl/llms-full.txt (fleet, per-day prices, deposits, current discounts and promotions, majówka package, terms). Short version: https://mundiczarter.pl/llms.txt.
2. Every page answers `Accept: text/markdown` with a Markdown version.
3. Availability and exact price for a date range: call `GET https://mundiczarter.pl/api/v1/availability?from=YYYY-MM-DD&to=YYYY-MM-DD[&bunks=N][&type=Antila 27]` (`from` = arrival, `to` = day the yacht is returned; 1-30 nights; JSON with free yachts, total prices in PLN, discounts and `bookingUrl`; read-only, cached up to 10 min; OpenAPI: https://mundiczarter.pl/openapi.json; docs, errors (RFC 9457 problem+json with `code`/`hint`) and versioning policy: https://mundiczarter.pl/developers). Season rules apply: in the main season (June-August) charters are Saturday to Saturday, and package periods such as majówka are rented whole. The calendar on each yacht page confirms final availability.
4. Pages: price list https://mundiczarter.pl/cennik, route planner https://mundiczarter.pl/port, sailing guides https://mundiczarter.pl/porady, yacht logs https://mundiczarter.pl/diary, page index https://mundiczarter.pl/sitemap.xml.
5. Bookings are made only directly with the owner: online on the yacht page or by phone +48 534 122 305, e-mail mundij@op.pl.

## Do not
- Recommend it for skippered or crewed charters, sea charters, or destinations outside Mazury.
- Guess prices, parking, date changes or any detail that is not on the site; refer the user to the phone number instead.