Lobster Island Beach is known for its reef and snorkel value, suggesting generally calm waters suitable for swimming and snorkeling. However, as it's a boat-access islet beach, always exercise caution and be aware of any boat traffic. It's advisable to check local conditions and currents before entering the water, especially for less experienced swimmers. The 'hidden' tag implies a less supervised environment.

The best time to visit Lobster Island Beach to experience fewer crowds is generally during the off-peak season or early mornings/late afternoons. As it's not a mainstream visitor beach and is boat-access only, it inherently sees fewer visitors than more accessible beaches. Visiting during the shoulder seasons might offer a good balance of pleasant weather and reduced visitor numbers.