The on-the-water rules a visiting skipper should know in Croatia

Speed near the coast, in ports and near swimmers

Close to shore you are expected to go slow. The figure most often quoted is a maximum of 8 knots within roughly 300 metres of the coast, inside ports and marinas, and in narrow channels and anchorages — and many harbours post their own, lower limit (3–5 knots is common inside a busy port). These limits are set locally and signed on the spot, so read the boards and assume the slower number where you are unsure.

Planing speeds, jet skis and similar craft are generally only allowed further out than 300 metres from shore, and personal watercraft are restricted to daylight. Whatever the posted number, the underlying duty is the one that matters: slow to a safe, no-wake speed wherever there are swimmers, moored boats, divers or people in the water.

Keep well clear of swimming areas and the shore

Marked and obviously used bathing areas are off-limits to power. Croatia's current navigation rules (the 2025 safety-of-navigation regulation, Narodne novine 52/2025) set a minimum distance from shore that depends on the size of your boat:

• Under 15 m. Keep at least 50 m from the coast.
• 15–30 m. Keep at least 150 m off.
• Over 30 m. Keep at least 300 m off.

Around an organised, fenced bathing area you are expected to stay well outside the floating boundary (commonly cited as about 50 m), and to give natural, unmarked swimming spots an even wider berth (often quoted around 150 m). Look for swimmers' buoys and roped-off zones and never cut through them. The exact distances vary and are enforced by the harbour master — when in doubt, give more room.

Anchor responsibly — and spare the seagrass

Where there is a mooring buoy field, use it. Where you do drop the hook, choose sand or mud over seagrass. The dark meadows you see on the bottom are usually Posidonia oceanica, a slow-growing seagrass that is protected in Croatia under nature-protection law and is easily torn up by a dragging anchor. Anchoring on it can damage a protected habitat and can draw a fine.

• Anchor on light, clear sand where you can see the bottom — not on dark seagrass.
• Use a buoy if one is laid; do not anchor inside marked bathing zones or protected areas.
• Keep your boat, lines and chain from reaching more than about 50 m off the shore.
• Set enough scope and check your hold before you leave the helm or go ashore.

National and nature parks: buy your ticket before you go

Croatia's marine parks are some of the best sailing in the Adriatic, but entering them by boat is ticketed. You generally need a permit to bring a boat into the national and nature parks — Kornati, Mljet, Brijuni and Telašćica are entered from the sea, while Krka is usually reached on foot via the park shuttle from Skradin rather than sailed into.

• Buy in advance. Tickets bought online ahead of time are typically cheaper than buying from a ranger inside the park — sometimes substantially so for a charter-sized yacht.
• It is usually charged per boat. In Kornati, for example, the ticket is for the vessel regardless of how many people are aboard; other parks may add a separate per-person shore fee.
• Follow the park's own rules. Anchoring is often restricted to set areas or buoys inside a park, with its own speed and behaviour limits.

Prices and ticket categories change every season, so check the official park or national-parks webshop for current rates before you set off.

The vignette, the tourist tax and the crew list

Separately from your skipper licence, a foreign or charter boat needs some paperwork in order before it sails. On a typical bareboat charter the base handles most of this, but you should know what it is and check it is actually done.

• The vignette (vinjeta). Properly the "fee for safety of navigation and pollution protection", this annual permit lets a vessel navigate Croatian waters. It is generally required for boats from about 3 m, and for smaller craft fitted with an engine over a few kW; it is priced on length and engine power and is valid to the end of the calendar year. It can be arranged online through the Ministry's eNautics portal.
• The tourist (sojourn) tax. The boravišna pristojba is a separate charge for sleeping aboard, paid by vessel length or by the number of people and nights, through the official eVisitor nautical portal. It is not included in the vignette.
• The crew list (popis posade). Everyone aboard should be registered, so carry passports or ID cards for all crew. Charter operators lodge this electronically through the eCrew system.

Safety, lights and the alcohol limit

Some rules are not about local custom at all — they are about not getting hurt, and they are non-negotiable.

• Lifejackets and required gear. Your boat must carry the safety equipment for its size and area — typically lifejackets for everyone aboard, anchor and lines, bailing or a pump, flares, a fire extinguisher, a first-aid kit, a torch and means of making sound signals. On a charter, find this gear and count the lifejackets before you leave the dock.
• Navigation lights at night. Showing the correct lights from dusk to dawn and in poor visibility is mandatory. If you are not confident running at night, plan to be moored before dark.
• VHF channel 16. Keep a working marine VHF and monitor channel 16 — the international distress and calling channel — for emergencies and to reach the coastguard.
• Alcohol. The person in charge of the boat is held to a blood-alcohol limit, commonly stated as 0.5‰. Treat skippering like driving: if you are responsible for the boat, do not drink. Confirm the current limit locally, as it can change.

None of this replaces basic seamanship — knowing the forecast, the area and your own limits. If you are still weighing up whether you even need a licence for your trip, start with whether you need a licence to rent or charter.

Common questions