Karathona Beach is known for its calm, shallow waters, making it generally safe for swimming, especially for families with children. The sandy bottom is gentle, and the absence of strong currents contributes to a relaxed swimming experience. Lifeguard presence can vary by season, so it's always advisable to exercise caution and supervise young swimmers. The water quality in the Argolic Gulf is typically good.

The best time to visit Karathona Beach for ideal weather and fewer crowds is typically during the shoulder seasons, specifically late May to early June or early September to mid-October. During these periods, the weather is pleasantly warm for swimming and sunbathing, but the peak summer crowds of July and August have not yet arrived or have already dispersed. This allows for a more tranquil beach experience.

Karathona Beach is conveniently located a short distance from Nafplio. The most common way to reach it is by car, with ample parking usually available near the beach. Alternatively, local buses often run a route to Karathona during the high season. Taxis are also readily available from Nafplio and offer a quick and direct option. For those who enjoy walking, it's a scenic but longer stroll.

While Karathona Beach itself has a few tavernas and beach bars offering refreshments and meals, direct lodging options on the beach are limited. Most visitors choose to stay in nearby Nafplio, which offers a wide range of hotels, guesthouses, and apartments to suit various budgets. Nafplio also boasts numerous restaurants, cafes, and shops, providing a comprehensive selection for food and accommodation.

Karathona Beach stands out as a quieter alternative due to its slightly more secluded location compared to the more central beaches of Nafplio. While popular, its expansive sandy stretch allows visitors to spread out, preventing it from feeling overly crowded even during busier times. Its family-friendly atmosphere and calm waters also attract those seeking a more relaxed and peaceful day by the sea, away from the bustling city center.