Mosquito Bay offers generally safe swimming in the sheltered waters typical of Abel Tasman's eastern coast. The bay provides natural protection from prevailing winds, creating calmer conditions suitable for kayaking and swimming. However, no lifeguards patrol the area, so swim responsibly and within your abilities. Kayakers should have basic paddling experience and check weather forecasts before launching. Be aware of tidal movements and occasional boat traffic. The bay's name refers to sandflies rather than mosquitoes; insect repellent is strongly recommended.

The optimal visiting period is during New Zealand's summer (December to February) when weather is warmest and sea conditions calmest, though this coincides with peak kayaking season. Shoulder seasons (November and March-April) offer pleasant conditions with fewer paddlers sharing the bay. Early morning visits provide the calmest water for kayaking before afternoon breezes develop. Avoid midwinter months when weather is less predictable and water temperatures cooler. Tide timing affects beach access, so check tide tables when planning your visit.

Mosquito Bay is primarily accessed by kayak or water taxi, as it lacks direct road or track access making it a true boat-access destination. Sea kayakers can launch from Marahau, Kaiteriteri, or Totaranui and paddle to the bay. Water taxis operating in Abel Tasman can arrange drop-offs, though you should book in advance and confirm pick-up times. The bay's location requires planning as you cannot simply walk out if conditions change. Ensure you have appropriate marine safety equipment and experience for the journey.

Mosquito Bay is a wilderness location with absolutely no facilities, shops, or services. Visitors must be completely self-sufficient, carrying all food, drinking water, and equipment needed for their visit. There are no toilets, shelters, or rubbish bins, so follow Leave No Trace principles and pack out everything you bring in. The nearest services are outside the park in Marahau, Kaiteriteri, or Takaka. Kayakers should pack waterproof bags with supplies, sun protection, and first aid equipment for a safe, comfortable visit.

Mosquito Bay offers kayakers a genuine sense of adventure and solitude that busier Abel Tasman bays cannot match. Its boat-only access naturally limits visitor numbers, creating an intimate wilderness experience. The tucked-away geography provides excellent shelter for landing kayaks and taking breaks during multi-day paddling trips. The bay serves as a peaceful lunch stop or exploration point away from the main Coast Track crowds. Paddlers appreciate the pristine setting and the reward of reaching a destination that requires water-based skills and planning to access.