Swimming at Seacliff State Beach requires caution. The beach has strong currents, cold water temperatures year-round, and occasional rip currents that can be dangerous. There are no lifeguards on duty, so swimming is at your own risk. The area near the concrete ship (SS Palo Alto) is particularly hazardous and off-limits. Wading and playing in the shallow surf is popular with families, but always supervise children closely. Check current conditions before entering the water and stay alert to changing tides and waves.

Seacliff State Beach is open year-round and offers different experiences each season. Summer (June-August) brings warmer weather and calmer seas, ideal for families, though it can be foggy in the mornings. Spring and fall offer pleasant temperatures with fewer crowds. Winter provides dramatic storm-watching opportunities and migrating whale sightings. Weekdays are generally less crowded than weekends. The beach faces southeast, so afternoons typically offer the best weather as morning fog burns off. Sunset views are limited due to the coastline orientation.

Seacliff State Beach is located off State Park Drive in Aptos, easily accessed from Highway 1. Take the State Park Drive exit and follow signs to the beach entrance. The park offers a large parking lot with spaces for RVs and vehicles. A day-use parking fee is required (typically $10, subject to change). The lot rarely fills to capacity except on peak summer weekends. Public transportation options are limited, so driving is recommended. The beach and visitor center are easily accessible from the parking area with paved pathways.

The beach has a visitor center with exhibits, restrooms, outdoor showers, and picnic areas with barbecue pits. The on-site Cement Ship Restaurant closed permanently years ago. For dining, head to nearby Aptos Village (2 miles) which offers various restaurants, cafes, and grocery stores. Capitola (3 miles north) has extensive dining and shopping options. The Rio Del Mar area nearby has additional restaurants. For lodging, options range from the on-site campground (83 sites with hookups) to hotels in Aptos, Capitola, and Santa Cruz.

The SS Palo Alto, a World War I-era concrete tanker, remains Seacliff's most iconic feature, visible from shore about 500 feet offshore. However, public access to the ship has been closed since the 1950s due to deterioration and safety concerns. The pier that once connected to the ship was removed. You can view and photograph the ship from the beach and nearby areas. The ship continues to deteriorate and is now a haven for seabirds and marine life, making it interesting for wildlife observation from shore.